klaep - music collaboration - klaep is a social music collaboration network for musicians
Musicolet - Musicolet is a small yet feature-rich offline Music Player for Android.
Madsounds - It’s like Discover Weekly, but daily.
Palco MP3 - Palco MP3 is the largest Brazilian application for independent artists and offers more than 1 million songs for you to listen and download on your mobile device.
MisterJack - Make and share playlists
Audiomack - The free SoundCloud alternative