Audioship - Upload audio to YouTube or Facebook
3D Surround Music Player - 3D Surround Music Player allows you to listen to music with exceptional sound clarity and exclusive features such as dynamic bass boost, virtual3d surround effects, and treble boost.
Move to Apple Music - Convert your Spotify playlists for Apple Music
Musicana Music Player - Musicana is a classical app for playing music on your Android that comes with features like a lyrics finder, five-band equalizer, fast song recognition & much more.
podsync - Simple and free service that lets you listen to any YouTube or Vimeo channels, playlists or user videos in podcast format
Oto Music - Oto Music is an Android music player app that features Chromecast support, an equalizer, a ton of music controls, and functionalities.