diff --git a/README.md b/README.md
index 235ebb6..81df0e9 100644
--- a/README.md
+++ b/README.md
@@ -62,9 +62,21 @@ config.ini db/
 ##### QMediaPlaylist
 https://doc.qt.io/qtforpython-5/PySide2/QtMultimedia/QMediaPlaylist.html#PySide2.QtMultimedia.PySide2.QtMultimedia.QMediaPlaylist
 - playback modes (normal, repeat playlist, repeat 1 song, shuffle)
+> Use `PySide2.QtMultimedia.QMediaPlaylist.PlaybackMode` ?
+> Use `PySide2.QtMultimedia.QMediaPlaylist.shuffle()` ?
 - jump to currently playing song - how do i make this work regardless of current sort params?
 - autoplay next song in all modes
+> Use `PySide2.QtMultimedia.QMediaPlaylist.next()` after implementing playlist?
 ##### misc
 - database playlist autoexporting
 - .wav, .ogg, .flac convertor
 - automatic "radio" based on artist or genre
+- playback rate audio quality fix?
+> https://doc.qt.io/qtforpython-5/PySide2/QtMultimedia/QAudioDecoder.html#qaudiodecoder
+> Since Qt 5.12.2, the url scheme gst-pipeline provides custom pipelines for the GStreamer backend.
+```py
+player = new QMediaPlayer;
+player->setMedia(QUrl("gst-pipeline: videotestsrc ! autovideosink"));
+player->play();
+```
+