diff --git a/lib/services/filesystem_service.dart b/lib/services/filesystem_service.dart
index cda9168..93b449c 100644
--- a/lib/services/filesystem_service.dart
+++ b/lib/services/filesystem_service.dart
@@ -16,6 +16,7 @@ class FileSystemService {
 
   Future<void> init() async {
     _authorized = await _hasStoragePermission();
+
     if (_authorized) return;
     _authorized = await _requestStoragePermission();
 
@@ -63,33 +64,23 @@ class FileSystemService {
   }
 
   Future<void> saveAudioList(List<Audio> audios) async {
-    final String content = jsonEncode(audios.map((a) => a.toJson()).toList());
+    final Map<String, dynamic> content = {
+      'audios': audios.map((a) => a.toJson()).toList()
+    };
     await _createOrUpdateJsonFile(_audioListFileName, content);
   }
 
-  Future<dynamic> _readPreferences() async {
-    final String filePath =
-        _getFilePath(_preferencesFileName, _jsonFileExtension);
-    final bool exists = await _fileExists(filePath);
-    if (!exists) return {'shouldSkipSponsors': true, 'downloadsQueueSize': 3};
-    return await _readJsonFile(filePath);
-  }
-
-  Future<void> _updatePreferences(dynamic preferences) async {
-    final String filePath =
-        _getFilePath(_preferencesFileName, _jsonFileExtension);
-    await _writeJsonFile(filePath, preferences);
-  }
-
   Future<List<Audio>> readAudioList() async {
     final String filePath =
         _getFilePath(_audioListFileName, _jsonFileExtension);
+
     final bool exists = await _fileExists(filePath);
     if (!exists) return [];
 
     final dynamic content = await _readJsonFile(filePath);
+
     final List<Audio> audioList =
-        List<Audio>.from(content.map((a) => Audio.fromJson(a)));
+        List<Audio>.from(content['audios'].map((a) => Audio.fromJson(a)));
 
     final Iterable<Future<Audio?>> validFilesFutures =
         audioList.map((audio) async {
@@ -102,13 +93,27 @@ class FileSystemService {
     return validFiles.whereType<Audio>().toList();
   }
 
+  Future<Map<String, dynamic>> _readPreferences() async {
+    final String filePath =
+        _getFilePath(_preferencesFileName, _jsonFileExtension);
+    final bool exists = await _fileExists(filePath);
+    if (!exists) return {'shouldSkipSponsors': true, 'downloadsQueueSize': 3};
+    return await _readJsonFile(filePath);
+  }
+
+  Future<void> _updatePreferences(dynamic preferences) async {
+    final String filePath =
+        _getFilePath(_preferencesFileName, _jsonFileExtension);
+    await _writeJsonFile(filePath, preferences);
+  }
+
   Future<bool> _isValidAudioFile(Audio audio) async {
     final String path = _getFilePath(audio.id, _audioFileExtension);
     return await _fileExists(path);
   }
 
   Future<String> _createOrUpdateJsonFile(
-      String fileName, String content) async {
+      String fileName, Map<String, dynamic> content) async {
     final String filePath = _getFilePath(fileName, _jsonFileExtension);
     final bool exists = await _fileExists(filePath);
     if (!exists) await _createFile(filePath);
@@ -140,13 +145,13 @@ class FileSystemService {
     await file.create();
   }
 
-  Future<dynamic> _readJsonFile(String path) async {
+  Future<Map<String, dynamic>> _readJsonFile(String path) async {
     final File file = File(path);
     final String content = await file.readAsString();
     return jsonDecode(content);
   }
 
-  Future<void> _writeJsonFile(String path, dynamic content) async {
+  Future<void> _writeJsonFile(String path, Map<String, dynamic> content) async {
     final File file = File(path);
     await file.writeAsString(jsonEncode(content));
   }
diff --git a/pubspec.lock b/pubspec.lock
index 478987d..bec4cda 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -416,6 +416,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.0.0"
+  lists:
+    dependency: transitive
+    description:
+      name: lists
+      sha256: "4ca5c19ae4350de036a7e996cdd1ee39c93ac0a2b840f4915459b7d0a7d4ab27"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.1"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      sha256: "623a88c9594aa774443aa3eb2d41807a48486b5613e67599fb4c41c0ad47c340"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
   matcher:
     dependency: transitive
     description:
@@ -765,6 +781,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.2"
+  unicode:
+    dependency: transitive
+    description:
+      name: unicode
+      sha256: "0f69e46593d65245774d4f17125c6084d2c20b4e473a983f6e21b7d7762218f1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.1"
   universal_io:
     dependency: transitive
     description:
@@ -833,10 +857,10 @@ packages:
     dependency: "direct main"
     description:
       name: youtube_explode_dart
-      sha256: "133a65907e6cf839ac7643d92dc5c56b37fcebe4f0a8f0e67716dffa500c0ef0"
+      sha256: "08bac196966c61abbdc13c00afb7b92f0f7aca438b53f052a5737145c2232df8"
       url: "https://pub.dev"
     source: hosted
-    version: "2.2.2"
+    version: "2.3.0"
 sdks:
   dart: ">=3.5.0 <4.0.0"
   flutter: ">=3.22.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index fb78bff..eb70422 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -32,7 +32,7 @@ dependencies:
     sdk: flutter
   shared_preferences: ^2.3.2
   get: ^4.6.6
-  youtube_explode_dart: ^2.2.2
+  youtube_explode_dart: ^2.3.0
   path_provider: ^2.1.4
   http: ^1.2.2
   just_audio: ^0.9.40