The app doesn’t use Apple Music but rather provide its own player that is extremely primitive. It sorts all your library alphabetically by song title and allow three modes: in that order, randomly, and the same song. That’s it, no albums, no artists, no playlists. It can use iPhone microphone to control light intensity according to the ambient sound level but only if that sound is produced by another device so you can’t run any other music player on you iPhone and use its output in that mode either.
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