Samsung Music - Samsung Music app supports playback of almost all audio formats so you can effectively enjoy songs from your phone’s storage.
Lark Player - Lark Player – YouTube Music & Free MP3 Top Player is a fine tool developed by Mobiuspace Tech Top Player.
Musicolet - Musicolet is a small yet feature-rich offline Music Player for Android.
Audiomack - The free SoundCloud alternative
Eon Music Player - Eon Music Player is an app by QMS that shows a hierarchical folder view to access music files easily.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.