diff --git a/tidal_dl_ng/config.py b/tidal_dl_ng/config.py
index 72b9f93..7ab9f24 100644
--- a/tidal_dl_ng/config.py
+++ b/tidal_dl_ng/config.py
@@ -96,9 +96,11 @@ class Tidal(BaseConfig, metaclass=SingletonMeta):
     def __init__(self, settings: Settings = None):
         self.cls_model = ModelToken
         tidal_config: tidalapi.Config = tidalapi.Config(item_limit=10000)
+        if settings and settings.data.api_key_client_id:
+            tidal_config.client_id = settings.data.api_key_client_id
+            tidal_config.client_secret = settings.data.api_key_client_secret
+
         self.session = tidalapi.Session(tidal_config)
-        # self.session.config.client_id = "km8T1xS355y7dd3H"
-        # self.session.config.client_secret = "vcmeGW1OuZ0fWYMCSZ6vNvSLJlT3XEpW0ambgYt5ZuI="
         self.file_path = path_file_token()
         self.token_from_storage = self.read(self.file_path)
 
diff --git a/tidal_dl_ng/gui.py b/tidal_dl_ng/gui.py
index d0ee637..f38461b 100644
--- a/tidal_dl_ng/gui.py
+++ b/tidal_dl_ng/gui.py
@@ -52,7 +52,7 @@ from typing import Any
 
 from requests.exceptions import HTTPError
 from tidalapi.session import LinkLogin
-
+from tidal_dl_ng import api as ApiKeys
 from tidal_dl_ng import __version__, update_available
 from tidal_dl_ng.dialog import DialogLogin, DialogPreferences, DialogVersion
 from tidal_dl_ng.helper.gui import (
@@ -170,6 +170,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
         self._init_progressbar()
         self._populate_quality(self.cb_quality_audio, Quality)
         self._populate_quality(self.cb_quality_video, QualityVideo)
+        self._populate_api_keys(self.cb_api_key)
         self._populate_search_types(self.cb_search_type, SearchTypes)
         self.apply_settings(self.settings)
         self._init_signals()
@@ -305,6 +306,14 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
 
         self.te_debug.setTextCursor(cursor)
         self.te_debug.ensureCursorVisible()
+        
+    def _populate_api_keys(self, ui_target: QtWidgets.QComboBox) -> None:
+        """Puebla el ComboBox con los API keys disponibles."""
+        ui_target.addItem("Por defecto", None)
+        for i, key_data in enumerate(ApiKeys.getItems()):
+            if key_data["valid"] == "True":
+                platform_name = f"{key_data['platform']} - ({key_data['formats']})"
+                ui_target.addItem(platform_name, i)
 
     def _populate_quality(self, ui_target: QtWidgets.QComboBox, options: Iterable[Any]) -> None:
         """Populate a combo box with quality options.
@@ -516,6 +525,17 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
                 item["element"].setCurrentIndex(idx)
             else:
                 item["element"].setCurrentIndex(item["default_id"])
+        if settings.data.api_key_client_id:
+            for i in range(self.cb_api_key.count()):
+                key_index = self.cb_api_key.itemData(i)
+                if key_index is not None:
+                    key_data = ApiKeys.getItem(key_index)
+                    if key_data["clientId"] == settings.data.api_key_client_id:
+                        self.cb_api_key.setCurrentIndex(i)
+                        break
+        else:
+            self.cb_api_key.setCurrentIndex(0) # "Por defecto"
+
 
     def on_spinner_start(self, parent: QtWidgets.QWidget) -> None:
         """Start a loading spinner on the given parent widget.
@@ -885,6 +905,11 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
         Returns:
             ResultItem: The constructed ResultItem.
         """
+        
+        final_quality = quality_audio_highest(item)
+        if hasattr(item, "audio_modes") and "DOLBY_ATMOS" in item.audio_modes:
+            final_quality = "Dolby Atmos"
+
         return ResultItem(
             position=idx,
             artist=name_builder_artist(item),
@@ -892,7 +917,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
             album=item.album.name,
             duration_sec=item.duration,
             obj=item,
-            quality=quality_audio_highest(item),
+            quality=final_quality,
             explicit=bool(item.explicit),
             date_user_added=date_user_added,
             date_release=date_release,
@@ -1105,6 +1130,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
         )
         self.cb_quality_audio.currentIndexChanged.connect(self.on_quality_set_audio)
         self.cb_quality_video.currentIndexChanged.connect(self.on_quality_set_video)
+        self.cb_api_key.currentIndexChanged.connect(self.on_api_key_set)
         self.tr_lists_user.itemClicked.connect(self.on_list_items_show)
         self.s_spinner_start[QtWidgets.QWidget].connect(self.on_spinner_start)
         self.s_spinner_stop.connect(self.on_spinner_stop)
@@ -1207,6 +1233,20 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
         if self.tidal:
             self.tidal.settings_apply()
 
+    def on_api_key_set(self, index: int) -> None:
+        """Guarda el API Key seleccionado en la configuración."""
+        key_index = self.cb_api_key.itemData(index)
+        if key_index is not None:
+            key_data = ApiKeys.getItem(key_index)
+            self.settings.data.api_key_client_id = key_data["clientId"]
+            self.settings.data.api_key_client_secret = key_data["clientSecret"]
+        else: # Si se selecciona "Por defecto"
+            self.settings.data.api_key_client_id = ""
+            self.settings.data.api_key_client_secret = ""
+        
+        self.settings.save()
+        logger_gui.info("API Key cambiado. Reinicia la aplicación para aplicar los cambios.")
+
     def on_list_items_show(self, item: QtWidgets.QTreeWidgetItem) -> None:
         """Show the items in the selected playlist or mix.
 
diff --git a/tidal_dl_ng/model/cfg.py b/tidal_dl_ng/model/cfg.py
index 44db92f..b3bc202 100644
--- a/tidal_dl_ng/model/cfg.py
+++ b/tidal_dl_ng/model/cfg.py
@@ -56,6 +56,8 @@ class Settings:
     filename_delimiter_artist: str = ", "
     filename_delimiter_album_artist: str = ", "
     metadata_target_upc: MetadataTargetUPC = MetadataTargetUPC.UPC
+    api_key_client_id: str = ""
+    api_key_client_secret: str = ""
 
 
 @dataclass_json
diff --git a/tidal_dl_ng/ui/main.py b/tidal_dl_ng/ui/main.py
index 4b60620..221db1e 100644
--- a/tidal_dl_ng/ui/main.py
+++ b/tidal_dl_ng/ui/main.py
@@ -39,15 +39,9 @@ class Ui_MainWindow:
         self.a_preferences.setEnabled(True)
         self.a_preferences.setText("Preferences...")
         self.a_preferences.setIconText("Preferences...")
-        # if QT_CONFIG(tooltip)
         self.a_preferences.setToolTip("Preferences...")
-        # endif // QT_CONFIG(tooltip)
-        # if QT_CONFIG(statustip)
         self.a_preferences.setStatusTip("")
-        # endif // QT_CONFIG(statustip)
-        # if QT_CONFIG(whatsthis)
         self.a_preferences.setWhatsThis("")
-        # endif // QT_CONFIG(whatsthis)
         self.a_version = QAction(MainWindow)
         self.a_version.setObjectName("a_version")
         self.a_exit = QAction(MainWindow)
@@ -64,21 +58,11 @@ class Ui_MainWindow:
         sizePolicy.setVerticalStretch(100)
         sizePolicy.setHeightForWidth(self.w_central.sizePolicy().hasHeightForWidth())
         self.w_central.setSizePolicy(sizePolicy)
-        # if QT_CONFIG(tooltip)
         self.w_central.setToolTip("")
-        # endif // QT_CONFIG(tooltip)
-        # if QT_CONFIG(statustip)
         self.w_central.setStatusTip("")
-        # endif // QT_CONFIG(statustip)
-        # if QT_CONFIG(whatsthis)
         self.w_central.setWhatsThis("")
-        # endif // QT_CONFIG(whatsthis)
-        # if QT_CONFIG(accessibility)
         self.w_central.setAccessibleName("")
-        # endif // QT_CONFIG(accessibility)
-        # if QT_CONFIG(accessibility)
         self.w_central.setAccessibleDescription("")
-        # endif // QT_CONFIG(accessibility)
         self.horizontalLayout = QHBoxLayout(self.w_central)
         self.horizontalLayout.setObjectName("horizontalLayout")
         self.lv_list_user = QVBoxLayout()
@@ -95,21 +79,11 @@ class Ui_MainWindow:
         __qtreewidgetitem3 = QTreeWidgetItem(self.tr_lists_user)
         __qtreewidgetitem3.setFlags(Qt.ItemIsEnabled)
         self.tr_lists_user.setObjectName("tr_lists_user")
-        # if QT_CONFIG(tooltip)
         self.tr_lists_user.setToolTip("")
-        # endif // QT_CONFIG(tooltip)
-        # if QT_CONFIG(statustip)
         self.tr_lists_user.setStatusTip("")
-        # endif // QT_CONFIG(statustip)
-        # if QT_CONFIG(whatsthis)
         self.tr_lists_user.setWhatsThis("")
-        # endif // QT_CONFIG(whatsthis)
-        # if QT_CONFIG(accessibility)
         self.tr_lists_user.setAccessibleName("")
-        # endif // QT_CONFIG(accessibility)
-        # if QT_CONFIG(accessibility)
         self.tr_lists_user.setAccessibleDescription("")
-        # endif // QT_CONFIG(accessibility)
         self.tr_lists_user.setEditTriggers(QAbstractItemView.EditTrigger.NoEditTriggers)
         self.tr_lists_user.setProperty("showDropIndicator", False)
         self.tr_lists_user.setSelectionMode(QAbstractItemView.SelectionMode.ExtendedSelection)
@@ -119,9 +93,7 @@ class Ui_MainWindow:
         self.tr_lists_user.header().setCascadingSectionResizes(True)
         self.tr_lists_user.header().setHighlightSections(True)
         self.tr_lists_user.header().setProperty("showSortIndicator", True)
-
         self.lv_list_user.addWidget(self.tr_lists_user)
-
         self.lv_list_control = QHBoxLayout()
         self.lv_list_control.setObjectName("lv_list_control")
         self.pb_reload_user_lists = QPushButton(self.w_central)
@@ -131,99 +103,54 @@ class Ui_MainWindow:
         sizePolicy1.setVerticalStretch(0)
         sizePolicy1.setHeightForWidth(self.pb_reload_user_lists.sizePolicy().hasHeightForWidth())
         self.pb_reload_user_lists.setSizePolicy(sizePolicy1)
-
         self.lv_list_control.addWidget(self.pb_reload_user_lists)
-
         self.pb_download_list = QPushButton(self.w_central)
         self.pb_download_list.setObjectName("pb_download_list")
         sizePolicy1.setHeightForWidth(self.pb_download_list.sizePolicy().hasHeightForWidth())
         self.pb_download_list.setSizePolicy(sizePolicy1)
-
         self.lv_list_control.addWidget(self.pb_download_list)
-
         self.lv_list_user.addLayout(self.lv_list_control)
-
         self.horizontalLayout.addLayout(self.lv_list_user)
-
         self.lv_search_result = QVBoxLayout()
-        # ifndef Q_OS_MAC
         self.lv_search_result.setSpacing(-1)
-        # endif
         self.lv_search_result.setObjectName("lv_search_result")
         self.lh_search = QHBoxLayout()
         self.lh_search.setObjectName("lh_search")
         self.l_search = QLineEdit(self.w_central)
         self.l_search.setObjectName("l_search")
         self.l_search.setAcceptDrops(False)
-        # if QT_CONFIG(tooltip)
         self.l_search.setToolTip("")
-        # endif // QT_CONFIG(tooltip)
-        # if QT_CONFIG(statustip)
         self.l_search.setStatusTip("")
-        # endif // QT_CONFIG(statustip)
-        # if QT_CONFIG(whatsthis)
         self.l_search.setWhatsThis("")
-        # endif // QT_CONFIG(whatsthis)
-        # if QT_CONFIG(accessibility)
         self.l_search.setAccessibleName("")
-        # endif // QT_CONFIG(accessibility)
-        # if QT_CONFIG(accessibility)
         self.l_search.setAccessibleDescription("")
-        # endif // QT_CONFIG(accessibility)
         self.l_search.setLocale(QLocale(QLocale.English, QLocale.UnitedStates))
         self.l_search.setText("")
         self.l_search.setPlaceholderText("Type and press ENTER to search...")
         self.l_search.setClearButtonEnabled(True)
-
         self.lh_search.addWidget(self.l_search)
-
         self.cb_search_type = QComboBox(self.w_central)
         self.cb_search_type.setObjectName("cb_search_type")
         self.cb_search_type.setMinimumSize(QSize(100, 0))
-        # if QT_CONFIG(tooltip)
         self.cb_search_type.setToolTip("")
-        # endif // QT_CONFIG(tooltip)
-        # if QT_CONFIG(statustip)
         self.cb_search_type.setStatusTip("")
-        # endif // QT_CONFIG(statustip)
-        # if QT_CONFIG(whatsthis)
         self.cb_search_type.setWhatsThis("")
-        # endif // QT_CONFIG(whatsthis)
-        # if QT_CONFIG(accessibility)
         self.cb_search_type.setAccessibleName("")
-        # endif // QT_CONFIG(accessibility)
-        # if QT_CONFIG(accessibility)
         self.cb_search_type.setAccessibleDescription("")
-        # endif // QT_CONFIG(accessibility)
         self.cb_search_type.setCurrentText("")
         self.cb_search_type.setSizeAdjustPolicy(QComboBox.SizeAdjustPolicy.AdjustToContentsOnFirstShow)
         self.cb_search_type.setPlaceholderText("")
-
         self.lh_search.addWidget(self.cb_search_type)
-
         self.pb_search = QPushButton(self.w_central)
         self.pb_search.setObjectName("pb_search")
-        # if QT_CONFIG(statustip)
         self.pb_search.setStatusTip("")
-        # endif // QT_CONFIG(statustip)
-        # if QT_CONFIG(whatsthis)
         self.pb_search.setWhatsThis("")
-        # endif // QT_CONFIG(whatsthis)
-        # if QT_CONFIG(accessibility)
         self.pb_search.setAccessibleName("")
-        # endif // QT_CONFIG(accessibility)
-        # if QT_CONFIG(accessibility)
         self.pb_search.setAccessibleDescription("")
-        # endif // QT_CONFIG(accessibility)
         self.pb_search.setText("Search")
-        # if QT_CONFIG(shortcut)
         self.pb_search.setShortcut("")
-        # endif // QT_CONFIG(shortcut)
-
         self.lh_search.addWidget(self.pb_search)
-
         self.lv_search_result.addLayout(self.lh_search)
-
         self.tr_results = QTreeView(self.w_central)
         self.tr_results.setObjectName("tr_results")
         self.tr_results.setEditTriggers(QAbstractItemView.EditTrigger.NoEditTriggers)
@@ -233,138 +160,81 @@ class Ui_MainWindow:
         self.tr_results.setSelectionMode(QAbstractItemView.SelectionMode.ExtendedSelection)
         self.tr_results.setIndentation(10)
         self.tr_results.setSortingEnabled(True)
-
         self.lv_search_result.addWidget(self.tr_results)
-
         self.lh_download = QHBoxLayout()
         self.lh_download.setObjectName("lh_download")
         self.l_quality_audio = QLabel(self.w_central)
         self.l_quality_audio.setObjectName("l_quality_audio")
-        # if QT_CONFIG(tooltip)
         self.l_quality_audio.setToolTip("")
-        # endif // QT_CONFIG(tooltip)
-        # if QT_CONFIG(statustip)
         self.l_quality_audio.setStatusTip("")
-        # endif // QT_CONFIG(statustip)
-        # if QT_CONFIG(whatsthis)
         self.l_quality_audio.setWhatsThis("")
-        # endif // QT_CONFIG(whatsthis)
-        # if QT_CONFIG(accessibility)
         self.l_quality_audio.setAccessibleName("")
-        # endif // QT_CONFIG(accessibility)
-        # if QT_CONFIG(accessibility)
         self.l_quality_audio.setAccessibleDescription("")
-        # endif // QT_CONFIG(accessibility)
         self.l_quality_audio.setText("Audio")
-        self.l_quality_audio.setAlignment(
-            Qt.AlignmentFlag.AlignRight | Qt.AlignmentFlag.AlignTrailing | Qt.AlignmentFlag.AlignVCenter
-        )
-
+        self.l_quality_audio.setAlignment(Qt.AlignmentFlag.AlignRight | Qt.AlignmentFlag.AlignTrailing | Qt.AlignmentFlag.AlignVCenter)
         self.lh_download.addWidget(self.l_quality_audio)
-
         self.cb_quality_audio = QComboBox(self.w_central)
         self.cb_quality_audio.setObjectName("cb_quality_audio")
         self.cb_quality_audio.setMinimumSize(QSize(140, 0))
-        # if QT_CONFIG(tooltip)
         self.cb_quality_audio.setToolTip("")
-        # endif // QT_CONFIG(tooltip)
-        # if QT_CONFIG(statustip)
         self.cb_quality_audio.setStatusTip("")
-        # endif // QT_CONFIG(statustip)
-        # if QT_CONFIG(whatsthis)
         self.cb_quality_audio.setWhatsThis("")
-        # endif // QT_CONFIG(whatsthis)
-        # if QT_CONFIG(accessibility)
         self.cb_quality_audio.setAccessibleName("")
-        # endif // QT_CONFIG(accessibility)
-        # if QT_CONFIG(accessibility)
         self.cb_quality_audio.setAccessibleDescription("")
-        # endif // QT_CONFIG(accessibility)
         self.cb_quality_audio.setCurrentText("")
         self.cb_quality_audio.setSizeAdjustPolicy(QComboBox.SizeAdjustPolicy.AdjustToContentsOnFirstShow)
         self.cb_quality_audio.setPlaceholderText("")
         self.cb_quality_audio.setFrame(True)
-
         self.lh_download.addWidget(self.cb_quality_audio)
-
         self.l_quality_video = QLabel(self.w_central)
         self.l_quality_video.setObjectName("l_quality_video")
-        # if QT_CONFIG(tooltip)
         self.l_quality_video.setToolTip("")
-        # endif // QT_CONFIG(tooltip)
-        # if QT_CONFIG(statustip)
         self.l_quality_video.setStatusTip("")
-        # endif // QT_CONFIG(statustip)
-        # if QT_CONFIG(whatsthis)
         self.l_quality_video.setWhatsThis("")
-        # endif // QT_CONFIG(whatsthis)
-        # if QT_CONFIG(accessibility)
         self.l_quality_video.setAccessibleName("")
-        # endif // QT_CONFIG(accessibility)
-        # if QT_CONFIG(accessibility)
         self.l_quality_video.setAccessibleDescription("")
-        # endif // QT_CONFIG(accessibility)
         self.l_quality_video.setText("Video")
-        self.l_quality_video.setAlignment(
-            Qt.AlignmentFlag.AlignRight | Qt.AlignmentFlag.AlignTrailing | Qt.AlignmentFlag.AlignVCenter
-        )
-
+        self.l_quality_video.setAlignment(Qt.AlignmentFlag.AlignRight | Qt.AlignmentFlag.AlignTrailing | Qt.AlignmentFlag.AlignVCenter)
         self.lh_download.addWidget(self.l_quality_video)
-
         self.cb_quality_video = QComboBox(self.w_central)
         self.cb_quality_video.setObjectName("cb_quality_video")
         self.cb_quality_video.setMinimumSize(QSize(100, 0))
-        # if QT_CONFIG(tooltip)
         self.cb_quality_video.setToolTip("")
-        # endif // QT_CONFIG(tooltip)
-        # if QT_CONFIG(statustip)
         self.cb_quality_video.setStatusTip("")
-        # endif // QT_CONFIG(statustip)
-        # if QT_CONFIG(whatsthis)
         self.cb_quality_video.setWhatsThis("")
-        # endif // QT_CONFIG(whatsthis)
-        # if QT_CONFIG(accessibility)
         self.cb_quality_video.setAccessibleName("")
-        # endif // QT_CONFIG(accessibility)
-        # if QT_CONFIG(accessibility)
         self.cb_quality_video.setAccessibleDescription("")
-        # endif // QT_CONFIG(accessibility)
         self.cb_quality_video.setCurrentText("")
         self.cb_quality_video.setSizeAdjustPolicy(QComboBox.SizeAdjustPolicy.AdjustToContentsOnFirstShow)
         self.cb_quality_video.setPlaceholderText("")
-
         self.lh_download.addWidget(self.cb_quality_video)
+        
+        # Start of manually added API Key UI
+        self.l_api_key = QLabel(self.w_central)
+        self.l_api_key.setObjectName("l_api_key")
+        self.l_api_key.setText("API Key")
+        self.l_api_key.setAlignment(Qt.AlignmentFlag.AlignRight | Qt.AlignmentFlag.AlignTrailing | Qt.AlignmentFlag.AlignVCenter)
+        self.lh_download.addWidget(self.l_api_key)
+        self.cb_api_key = QComboBox(self.w_central)
+        self.cb_api_key.setObjectName("cb_api_key")
+        self.cb_api_key.setMinimumSize(QSize(140, 0))
+        self.lh_download.addWidget(self.cb_api_key)
+        # End of manually added API Key UI
 
         self.pb_download = QPushButton(self.w_central)
         self.pb_download.setObjectName("pb_download")
-        # if QT_CONFIG(tooltip)
         self.pb_download.setToolTip("")
-        # endif // QT_CONFIG(tooltip)
-        # if QT_CONFIG(statustip)
         self.pb_download.setStatusTip("")
-        # endif // QT_CONFIG(statustip)
-        # if QT_CONFIG(whatsthis)
         self.pb_download.setWhatsThis("")
-        # endif // QT_CONFIG(whatsthis)
-        # if QT_CONFIG(accessibility)
         self.pb_download.setAccessibleName("")
-        # endif // QT_CONFIG(accessibility)
-        # if QT_CONFIG(accessibility)
         self.pb_download.setAccessibleDescription("")
-        # endif // QT_CONFIG(accessibility)
         self.pb_download.setText("Download")
-        # if QT_CONFIG(shortcut)
         self.pb_download.setShortcut("")
-        # endif // QT_CONFIG(shortcut)
-
         self.lh_download.addWidget(self.pb_download)
-
         self.lh_download.setStretch(0, 5)
         self.lh_download.setStretch(2, 5)
         self.lh_download.setStretch(4, 15)
-
         self.lv_search_result.addLayout(self.lh_download)
-
         self.te_debug = QPlainTextEdit(self.w_central)
         self.te_debug.setObjectName("te_debug")
         self.te_debug.setEnabled(True)
@@ -375,28 +245,15 @@ class Ui_MainWindow:
         self.te_debug.setSizePolicy(sizePolicy2)
         self.te_debug.setMaximumSize(QSize(16777215, 16777215))
         self.te_debug.setAcceptDrops(False)
-        # if QT_CONFIG(tooltip)
         self.te_debug.setToolTip("")
-        # endif // QT_CONFIG(tooltip)
-        # if QT_CONFIG(statustip)
         self.te_debug.setStatusTip("")
-        # endif // QT_CONFIG(statustip)
-        # if QT_CONFIG(whatsthis)
         self.te_debug.setWhatsThis("")
-        # endif // QT_CONFIG(whatsthis)
-        # if QT_CONFIG(accessibility)
         self.te_debug.setAccessibleName("")
-        # endif // QT_CONFIG(accessibility)
-        # if QT_CONFIG(accessibility)
         self.te_debug.setAccessibleDescription("")
-        # endif // QT_CONFIG(accessibility)
         self.te_debug.setUndoRedoEnabled(False)
         self.te_debug.setReadOnly(True)
-
         self.lv_search_result.addWidget(self.te_debug)
-
         self.horizontalLayout.addLayout(self.lv_search_result)
-
         self.lv_info = QVBoxLayout()
         self.lv_info.setObjectName("lv_info")
         self.lv_info_item = QVBoxLayout()
@@ -416,13 +273,9 @@ class Ui_MainWindow:
         self.l_pm_cover.setPixmap(QPixmap("default_album_image.png"))
         self.l_pm_cover.setScaledContents(True)
         self.l_pm_cover.setAlignment(Qt.AlignmentFlag.AlignHCenter | Qt.AlignmentFlag.AlignTop)
-
         self.horizontalLayout_2.addWidget(self.l_pm_cover)
-
         self.lv_info_item.addLayout(self.horizontalLayout_2)
-
         self.lv_info.addLayout(self.lv_info_item)
-
         self.lv_queue_download = QVBoxLayout()
         self.lv_queue_download.setObjectName("lv_queue_download")
         self.l_h_queue_download = QLabel(self.w_central)
@@ -432,9 +285,7 @@ class Ui_MainWindow:
         font.setItalic(False)
         font.setKerning(True)
         self.l_h_queue_download.setFont(font)
-
         self.lv_queue_download.addWidget(self.l_h_queue_download)
-
         self.tr_queue_download = QTreeWidget(self.w_central)
         __qtreewidgetitem4 = QTreeWidgetItem()
         __qtreewidgetitem4.setText(0, "\ud83e\uddd1\u200d\ud83d\udcbb\ufe0f")
@@ -452,9 +303,7 @@ class Ui_MainWindow:
         self.tr_queue_download.setExpandsOnDoubleClick(False)
         self.tr_queue_download.header().setProperty("showSortIndicator", False)
         self.tr_queue_download.header().setStretchLastSection(False)
-
         self.lv_queue_download.addWidget(self.tr_queue_download)
-
         self.horizontalLayout_4 = QHBoxLayout()
         self.horizontalLayout_4.setObjectName("horizontalLayout_4")
         self.pb_queue_download_remove = QPushButton(self.w_central)
@@ -462,94 +311,52 @@ class Ui_MainWindow:
         self.pb_queue_download_remove.setEnabled(True)
         icon = QIcon(QIcon.fromTheme(QIcon.ThemeIcon.EditClear))
         self.pb_queue_download_remove.setIcon(icon)
-
         self.horizontalLayout_4.addWidget(self.pb_queue_download_remove)
-
         self.pb_queue_download_toggle = QPushButton(self.w_central)
         self.pb_queue_download_toggle.setObjectName("pb_queue_download_toggle")
         icon1 = QIcon(QIcon.fromTheme(QIcon.ThemeIcon.MediaPlaybackPause))
         self.pb_queue_download_toggle.setIcon(icon1)
-
         self.horizontalLayout_4.addWidget(self.pb_queue_download_toggle)
-
         self.lv_queue_download.addLayout(self.horizontalLayout_4)
-
         self.horizontalLayout_3 = QHBoxLayout()
         self.horizontalLayout_3.setObjectName("horizontalLayout_3")
         self.pb_queue_download_clear_finished = QPushButton(self.w_central)
         self.pb_queue_download_clear_finished.setObjectName("pb_queue_download_clear_finished")
-
         self.horizontalLayout_3.addWidget(self.pb_queue_download_clear_finished)
-
         self.pb_queue_download_clear_all = QPushButton(self.w_central)
         self.pb_queue_download_clear_all.setObjectName("pb_queue_download_clear_all")
-
         self.horizontalLayout_3.addWidget(self.pb_queue_download_clear_all)
-
         self.lv_queue_download.addLayout(self.horizontalLayout_3)
-
         self.lv_info.addLayout(self.lv_queue_download)
-
         self.horizontalLayout.addLayout(self.lv_info)
-
         self.horizontalLayout.setStretch(1, 50)
         self.horizontalLayout.setStretch(2, 25)
         MainWindow.setCentralWidget(self.w_central)
         self.menubar = QMenuBar(MainWindow)
         self.menubar.setObjectName("menubar")
         self.menubar.setGeometry(QRect(0, 0, 1200, 24))
-        # if QT_CONFIG(tooltip)
         self.menubar.setToolTip("")
-        # endif // QT_CONFIG(tooltip)
-        # if QT_CONFIG(statustip)
         self.menubar.setStatusTip("")
-        # endif // QT_CONFIG(statustip)
-        # if QT_CONFIG(whatsthis)
         self.menubar.setWhatsThis("")
-        # endif // QT_CONFIG(whatsthis)
-        # if QT_CONFIG(accessibility)
         self.menubar.setAccessibleName("")
-        # endif // QT_CONFIG(accessibility)
-        # if QT_CONFIG(accessibility)
         self.menubar.setAccessibleDescription("")
-        # endif // QT_CONFIG(accessibility)
         self.m_file = QMenu(self.menubar)
         self.m_file.setObjectName("m_file")
-        # if QT_CONFIG(tooltip)
         self.m_file.setToolTip("")
-        # endif // QT_CONFIG(tooltip)
-        # if QT_CONFIG(statustip)
         self.m_file.setStatusTip("")
-        # endif // QT_CONFIG(statustip)
-        # if QT_CONFIG(whatsthis)
         self.m_file.setWhatsThis("")
-        # endif // QT_CONFIG(whatsthis)
-        # if QT_CONFIG(accessibility)
         self.m_file.setAccessibleName("")
-        # endif // QT_CONFIG(accessibility)
-        # if QT_CONFIG(accessibility)
         self.m_file.setAccessibleDescription("")
-        # endif // QT_CONFIG(accessibility)
         self.m_help = QMenu(self.menubar)
         self.m_help.setObjectName("m_help")
         MainWindow.setMenuBar(self.menubar)
         self.statusbar = QStatusBar(MainWindow)
         self.statusbar.setObjectName("statusbar")
-        # if QT_CONFIG(tooltip)
         self.statusbar.setToolTip("")
-        # endif // QT_CONFIG(tooltip)
-        # if QT_CONFIG(statustip)
         self.statusbar.setStatusTip("")
-        # endif // QT_CONFIG(statustip)
-        # if QT_CONFIG(whatsthis)
         self.statusbar.setWhatsThis("")
-        # endif // QT_CONFIG(whatsthis)
-        # if QT_CONFIG(accessibility)
         self.statusbar.setAccessibleName("")
-        # endif // QT_CONFIG(accessibility)
-        # if QT_CONFIG(accessibility)
         self.statusbar.setAccessibleDescription("")
-        # endif // QT_CONFIG(accessibility)
         self.statusbar.setLayoutDirection(Qt.LayoutDirection.LeftToRight)
         MainWindow.setStatusBar(self.statusbar)
 
@@ -604,4 +411,4 @@ class Ui_MainWindow:
         self.m_file.setTitle(QCoreApplication.translate("MainWindow", "File", None))
         self.m_help.setTitle(QCoreApplication.translate("MainWindow", "Help", None))
 
-    # retranslateUi
+    # retranslateUi
\ No newline at end of file
diff --git a/tidal_dl_ng/ui/main.ui b/tidal_dl_ng/ui/main.ui
index 23d98e6..55394e1 100644
--- a/tidal_dl_ng/ui/main.ui
+++ b/tidal_dl_ng/ui/main.ui
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>MainWindow</class>
- <widget class="QMainWindow" name="MainWindow">
+ <class>cb_api_key</class>
+ <widget class="QMainWindow" name="cb_api_key">
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -59,13 +59,13 @@
          <string notr="true"/>
         </property>
         <property name="editTriggers">
-         <set>QAbstractItemView::EditTrigger::NoEditTriggers</set>
+         <set>QAbstractItemView::NoEditTriggers</set>
         </property>
         <property name="showDropIndicator" stdset="0">
          <bool>false</bool>
         </property>
         <property name="selectionMode">
-         <enum>QAbstractItemView::SelectionMode::ExtendedSelection</enum>
+         <enum>QAbstractItemView::NoSelection</enum>
         </property>
         <property name="indentation">
          <number>10</number>
@@ -195,9 +195,9 @@
      </layout>
     </item>
     <item>
-     <layout class="QVBoxLayout" name="lv_search_result" stretch="0,0,0,0">
+     <layout class="QVBoxLayout" name="lv_search_result" stretch="0,0,0,0,0">
       <property name="spacing">
-       <number>-1</number>
+       <number>7</number>
       </property>
       <item>
        <layout class="QHBoxLayout" name="lh_search">
@@ -262,9 +262,9 @@
            <string notr="true"/>
           </property>
           <property name="sizeAdjustPolicy">
-           <enum>QComboBox::SizeAdjustPolicy::AdjustToContentsOnFirstShow</enum>
+           <enum>QComboBox::AdjustToContents</enum>
           </property>
-          <property name="placeholderText">
+          <property name="placeholderText" stdset="0">
            <string notr="true"/>
           </property>
          </widget>
@@ -296,7 +296,7 @@
       <item>
        <widget class="QTreeView" name="tr_results">
         <property name="editTriggers">
-         <set>QAbstractItemView::EditTrigger::NoEditTriggers</set>
+         <set>QAbstractItemView::NoEditTriggers</set>
         </property>
         <property name="showDropIndicator" stdset="0">
          <bool>false</bool>
@@ -308,7 +308,7 @@
          <bool>false</bool>
         </property>
         <property name="selectionMode">
-         <enum>QAbstractItemView::SelectionMode::ExtendedSelection</enum>
+         <enum>QAbstractItemView::NoSelection</enum>
         </property>
         <property name="indentation">
          <number>10</number>
@@ -340,9 +340,6 @@
           <property name="text">
            <string notr="true">Audio</string>
           </property>
-          <property name="alignment">
-           <set>Qt::AlignmentFlag::AlignRight|Qt::AlignmentFlag::AlignTrailing|Qt::AlignmentFlag::AlignVCenter</set>
-          </property>
          </widget>
         </item>
         <item>
@@ -372,14 +369,14 @@
            <string notr="true"/>
           </property>
           <property name="sizeAdjustPolicy">
-           <enum>QComboBox::SizeAdjustPolicy::AdjustToContentsOnFirstShow</enum>
-          </property>
-          <property name="placeholderText">
-           <string notr="true"/>
+           <enum>QComboBox::AdjustToContents</enum>
           </property>
           <property name="frame">
            <bool>true</bool>
           </property>
+          <property name="placeholderText" stdset="0">
+           <string notr="true"/>
+          </property>
          </widget>
         </item>
         <item>
@@ -402,9 +399,6 @@
           <property name="text">
            <string notr="true">Video</string>
           </property>
-          <property name="alignment">
-           <set>Qt::AlignmentFlag::AlignRight|Qt::AlignmentFlag::AlignTrailing|Qt::AlignmentFlag::AlignVCenter</set>
-          </property>
          </widget>
         </item>
         <item>
@@ -434,9 +428,9 @@
            <string notr="true"/>
           </property>
           <property name="sizeAdjustPolicy">
-           <enum>QComboBox::SizeAdjustPolicy::AdjustToContentsOnFirstShow</enum>
+           <enum>QComboBox::AdjustToContents</enum>
           </property>
-          <property name="placeholderText">
+          <property name="placeholderText" stdset="0">
            <string notr="true"/>
           </property>
          </widget>
@@ -468,6 +462,9 @@
         </item>
        </layout>
       </item>
+      <item>
+       <widget class="QComboBox" name="comboBox"/>
+      </item>
       <item>
        <widget class="QPlainTextEdit" name="te_debug">
         <property name="enabled">
@@ -543,7 +540,7 @@
              </size>
             </property>
             <property name="frameShape">
-             <enum>QFrame::Shape::NoFrame</enum>
+             <enum>QFrame::NoFrame</enum>
             </property>
             <property name="text">
              <string/>
@@ -554,9 +551,6 @@
             <property name="scaledContents">
              <bool>true</bool>
             </property>
-            <property name="alignment">
-             <set>Qt::AlignmentFlag::AlignHCenter|Qt::AlignmentFlag::AlignTop</set>
-            </property>
            </widget>
           </item>
          </layout>
@@ -569,6 +563,7 @@
          <widget class="QLabel" name="l_h_queue_download">
           <property name="font">
            <font>
+            <weight>75</weight>
             <italic>false</italic>
             <bold>true</bold>
             <kerning>true</kerning>
@@ -582,7 +577,7 @@
         <item>
          <widget class="QTreeWidget" name="tr_queue_download">
           <property name="editTriggers">
-           <set>QAbstractItemView::EditTrigger::NoEditTriggers</set>
+           <set>QAbstractItemView::NoEditTriggers</set>
           </property>
           <property name="tabKeyNavigation">
            <bool>false</bool>
@@ -594,10 +589,10 @@
            <bool>false</bool>
           </property>
           <property name="selectionMode">
-           <enum>QAbstractItemView::SelectionMode::ExtendedSelection</enum>
+           <enum>QAbstractItemView::NoSelection</enum>
           </property>
           <property name="selectionBehavior">
-           <enum>QAbstractItemView::SelectionBehavior::SelectRows</enum>
+           <enum>QAbstractItemView::SelectItems</enum>
           </property>
           <property name="rootIsDecorated">
            <bool>false</bool>
@@ -660,7 +655,8 @@
              <string>Remove</string>
             </property>
             <property name="icon">
-             <iconset theme="QIcon::ThemeIcon::EditClear"/>
+             <iconset theme="QIcon::ThemeIcon::EditClear">
+              <normaloff>.</normaloff>.</iconset>
             </property>
            </widget>
           </item>
@@ -671,6 +667,8 @@
             </property>
             <property name="icon">
              <iconset theme="QIcon::ThemeIcon::MediaPlaybackPause"/>
+             <iconset theme="QIcon::ThemeIcon::MediaPlaybackStart">
+              <normaloff>.</normaloff>.</iconset>
             </property>
            </widget>
           </item>
@@ -706,7 +704,7 @@
      <x>0</x>
      <y>0</y>
      <width>1200</width>
-     <height>24</height>
+     <height>26</height>
     </rect>
    </property>
    <property name="toolTip">
@@ -774,7 +772,7 @@
     <string notr="true"/>
    </property>
    <property name="layoutDirection">
-    <enum>Qt::LayoutDirection::LeftToRight</enum>
+    <enum>Qt::LeftToRight</enum>
    </property>
   </widget>
   <action name="a_preferences">