Spotify - Map shows when two people play same song at same time
Musicolet - Musicolet is a small yet feature-rich offline Music Player for Android.
SoundCloud - Enjoy music & follow favourite artists
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.
Audiomack - The free SoundCloud alternative
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.