diff --git a/springSpotifyPlayList/backend/SpotifyPlayList/src/test/java/com/yen/SpotifyPlayList/GetSongFeatureTest.java b/springSpotifyPlayList/backend/SpotifyPlayList/src/test/java/com/yen/SpotifyPlayList/GetSongFeatureTest.java
deleted file mode 100644
index 55179185b..000000000
--- a/springSpotifyPlayList/backend/SpotifyPlayList/src/test/java/com/yen/SpotifyPlayList/GetSongFeatureTest.java
+++ /dev/null
@@ -1,51 +0,0 @@
-package com.yen.SpotifyPlayList;
-
-// https://github.com/spotify-web-api-java/spotify-web-api-java/blob/master/examples/data/tracks/GetAudioFeaturesForTrackExample.java
-
-import org.junit.jupiter.api.Test;
-import se.michaelthelin.spotify.SpotifyApi;
-import se.michaelthelin.spotify.exceptions.SpotifyWebApiException;
-import se.michaelthelin.spotify.model_objects.specification.AudioFeatures;
-import se.michaelthelin.spotify.requests.data.tracks.GetAudioFeaturesForTrackRequest;
-
-import java.io.IOException;
-import java.text.ParseException;
-
-public class GetSongFeatureTest {
-
-    final String accessToken = "BQCVX_9iFkOgTNsyrl2l3Xw7BczyFbmugxUUC5Lm0nhTyw02D9RNKzNixqbiEv7o8YK8N7VYH3MyUutbT_uHY6aFb5cAnsolKzOtjP2hgGbjEaMGGPE";
-    String trackId = "6oHUMXEKpnXOrs13VoGsuF";
-
-    @Test
-    public void test_getSong_feature() {
-
-        try {
-            final SpotifyApi spotifyApi = new SpotifyApi.Builder()
-                    .setAccessToken(accessToken)
-                    .build();
-            final GetAudioFeaturesForTrackRequest getAudioFeaturesForTrackRequest = spotifyApi
-                    .getAudioFeaturesForTrack(trackId)
-                    .build();
-
-            final AudioFeatures audioFeatures = getAudioFeaturesForTrackRequest.execute();
-
-            System.out.println(">>> ID: " + audioFeatures.getId());
-
-            /**
-             *  example output:
-             *
-             *
-             *  >>> audioFeatures: AudioFeatures(acousticness=0.443, analysisUrl=https://api.spotify.com/v1/audio-analysis/6oHUMXEKpnXOrs13VoGsuF, danceability=0.658, durationMs=225387, energy=0.86, id=6oHUMXEKpnXOrs13VoGsuF, instrumentalness=0.0, key=5, liveness=0.304, loudness=-2.898, mode=MINOR, speechiness=0.0272, tempo=88.032, timeSignature=4, trackHref=https://api.spotify.com/v1/tracks/6oHUMXEKpnXOrs13VoGsuF, type=AUDIO_FEATURES, uri=spotify:track:6oHUMXEKpnXOrs13VoGsuF, valence=0.644)
-             *
-             *
-             */
-            System.out.println(">>> audioFeatures: " + audioFeatures);
-
-        } catch (IOException | SpotifyWebApiException e) {
-            System.out.println("Error: " + e.getMessage());
-        } catch (org.apache.hc.core5.http.ParseException e) {
-            throw new RuntimeException(e);
-        }
-
-    }
-}
diff --git a/springSpotifyPlayList/backend/SpotifyPlayList/src/test/java/com/yen/SpotifyPlayList/SongFeatureTest.java b/springSpotifyPlayList/backend/SpotifyPlayList/src/test/java/com/yen/SpotifyPlayList/SongFeatureTest.java
new file mode 100644
index 000000000..30b5fa760
--- /dev/null
+++ b/springSpotifyPlayList/backend/SpotifyPlayList/src/test/java/com/yen/SpotifyPlayList/SongFeatureTest.java
@@ -0,0 +1,105 @@
+package com.yen.SpotifyPlayList;
+
+import org.junit.jupiter.api.Test;
+import se.michaelthelin.spotify.SpotifyApi;
+import se.michaelthelin.spotify.exceptions.SpotifyWebApiException;
+import se.michaelthelin.spotify.model_objects.specification.*;
+import se.michaelthelin.spotify.requests.data.playlists.GetPlaylistsItemsRequest;
+import se.michaelthelin.spotify.requests.data.tracks.GetAudioFeaturesForTrackRequest;
+
+import java.io.IOException;
+import java.util.concurrent.CompletableFuture;
+
+public class SongFeatureTest {
+
+    final String accessToken = "BQCVX_9iFkOgTNsyrl2l3Xw7BczyFbmugxUUC5Lm0nhTyw02D9RNKzNixqbiEv7o8YK8N7VYH3MyUutbT_uHY6aFb5cAnsolKzOtjP2hgGbjEaMGGPE";
+    String trackId = "6oHUMXEKpnXOrs13VoGsuF";
+
+    String playListId = "6fbBvdE95blBGc3ekFMzh1";
+
+    // // https://github.com/spotify-web-api-java/spotify-web-api-java/blob/master/examples/data/tracks/GetAudioFeaturesForTrackExample.java
+    @Test
+    public void test_getSong_feature() {
+
+        try {
+            final SpotifyApi spotifyApi = new SpotifyApi.Builder()
+                    .setAccessToken(accessToken)
+                    .build();
+            final GetAudioFeaturesForTrackRequest getAudioFeaturesForTrackRequest = spotifyApi
+                    .getAudioFeaturesForTrack(trackId)
+                    .build();
+
+            final AudioFeatures audioFeatures = getAudioFeaturesForTrackRequest.execute();
+
+            System.out.println(">>> ID: " + audioFeatures.getId());
+
+            /**
+             *  example output:
+             *
+             *  >>> audioFeatures: AudioFeatures(acousticness=0.443, analysisUrl=https://api.spotify.com/v1/audio-analysis/6oHUMXEKpnXOrs13VoGsuF, danceability=0.658, durationMs=225387, energy=0.86, id=6oHUMXEKpnXOrs13VoGsuF, instrumentalness=0.0, key=5, liveness=0.304, loudness=-2.898, mode=MINOR, speechiness=0.0272, tempo=88.032, timeSignature=4, trackHref=https://api.spotify.com/v1/tracks/6oHUMXEKpnXOrs13VoGsuF, type=AUDIO_FEATURES, uri=spotify:track:6oHUMXEKpnXOrs13VoGsuF, valence=0.644)
+             */
+            System.out.println(">>> audioFeatures: " + audioFeatures);
+
+        } catch (IOException | SpotifyWebApiException e) {
+            System.out.println("Error: " + e.getMessage());
+        } catch (org.apache.hc.core5.http.ParseException e) {
+            throw new RuntimeException(e);
+        }
+
+    }
+
+    // https://github.com/spotify-web-api-java/spotify-web-api-java/blob/master/examples/data/playlists/GetPlaylistsItemsExample.java
+
+    @Test
+    public void test_getSongFeatureList_from_playList(){
+
+        try {
+            final SpotifyApi spotifyApi = new SpotifyApi.Builder()
+                    .setAccessToken(accessToken)
+                    .build();
+
+            final GetPlaylistsItemsRequest getPlaylistsItemsRequest = spotifyApi
+                    .getPlaylistsItems(playListId)
+//          .fields("description")
+//          .limit(10)
+//          .offset(0)
+//          .market(CountryCode.SE)
+//          .additionalTypes("track,episode")
+                    .build();
+
+
+            final CompletableFuture<Paging<PlaylistTrack>> pagingFuture = getPlaylistsItemsRequest.executeAsync();
+
+            // Thread free to do other tasks...
+
+            // Example Only. Never block in production code.
+            final Paging<PlaylistTrack> playlistTrackPaging = pagingFuture.join();
+
+            System.out.println("Total: " + playlistTrackPaging.getTotal());
+            //System.out.println("Track's first artist: " + ((Track) playlistTrackPaging.getItems()[0].getTrack()).getArtists()[0]);
+            //System.out.println("Episode's show: " + ((Episode) playlistTrackPaging.getItems()[0].getTrack()).getShow());
+
+
+            PlaylistTrack[] playlistTracks = playlistTrackPaging.getItems();
+            for (PlaylistTrack track: playlistTracks){
+
+                String songId = track.getTrack().getId();
+                //System.out.println(">>> name = " + track.getTrack().getName() + ", id = " + songId);
+                // get song feature
+                final GetAudioFeaturesForTrackRequest getAudioFeaturesForTrackRequest = spotifyApi
+                        .getAudioFeaturesForTrack(songId)
+                        .build();
+
+                final AudioFeatures audioFeatures = getAudioFeaturesForTrackRequest.execute();
+
+                System.out.println(">>> name = " + track.getTrack().getName() + ", id = " + songId + ", audioFeatures = " + audioFeatures);
+
+            }
+
+        } catch (Exception e) {
+            System.out.println("Error: " + e.getMessage());
+        }
+
+    }
+
+}