Room music

final music = controller.music;
await music.start(path: cachedSongFile); // a downloaded server song works the same way
music.setPublishVolume(0.8); // what the room hears
music.setPlayoutVolume(0.5); // this phone's speaker
await music.pause();
await music.resume();
await music.seek(const Duration(seconds: 30));
music.onFinished.listen((_) {
  // next song
});
await music.stop();