Koel - A personal music streaming server that works.
Lark Player - Lark Player – YouTube Music & Free MP3 Top Player is a fine tool developed by Mobiuspace Tech Top Player.
Mood Listener - Handpicked playlists to fit your mood.
Audiomack - The free SoundCloud alternative
longplay.in - Curated indie music from Bandcamp
Musicolet - Musicolet is a small yet feature-rich offline Music Player for Android.