Symphona App - Designed to make orchestral staff management a breeze.
Spotify - Map shows when two people play same song at same time
tuneX - Like tinder but for music creators
SoundCloud - Enjoy music & follow favourite artists
Undrtone - Social layer on top of Spotify and Rdio from Scott Vener
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm