diff --git a/app/src/main/aidl/bruhcollective/itaysonlab/libvkx/ILibVkxService.aidl b/app/src/main/aidl/bruhcollective/itaysonlab/libvkx/ILibVkxService.aidl
index eb4c846f2..4e2cac6ca 100644
--- a/app/src/main/aidl/bruhcollective/itaysonlab/libvkx/ILibVkxService.aidl
+++ b/app/src/main/aidl/bruhcollective/itaysonlab/libvkx/ILibVkxService.aidl
@@ -25,4 +25,5 @@ interface ILibVkxService {
 
     // Get cached library in Catalog2-like JSON
     String getCacheCatalog() = 11;
+    List<String> getTracksInPlaylist(in int playlist_id, in int owner_id) = 12;
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/vtosters/lite/music/cache/injectors/TracklistInjector.java b/app/src/main/java/ru/vtosters/lite/music/cache/injectors/TracklistInjector.java
index dfb2fb5ad..3469e514d 100644
--- a/app/src/main/java/ru/vtosters/lite/music/cache/injectors/TracklistInjector.java
+++ b/app/src/main/java/ru/vtosters/lite/music/cache/injectors/TracklistInjector.java
@@ -39,8 +39,10 @@ public class TracklistInjector {
                 LibVKXClient.getInstance().runOnService((service) -> {
                     try {
                         try {
+                            Log.d("TracklistInjector", "Using vkx cache catalog");
                             observableEmitter.b(parser.c(new JSONObject(service.getCacheCatalog())));
                         } catch (Exception e){
+                            e.printStackTrace();
                             List<MusicTrack> tracks = new ArrayList<>();
                             List<String> cache = service.getCache();
 
@@ -49,6 +51,7 @@ public class TracklistInjector {
                                 tracks.add(new MusicTrack(new JSONObject(json)));
                             }
 
+                            Log.d("TracklistInjector", "Using own cache catalog from vkx");
                             observableEmitter.b(parser.c(createVirtualCatalog(tracks)));
                         }
                     } catch (Exception e) {