Spotify - Map shows when two people play same song at same time
Auxy Music Studio - Auxy brings real music creation to iPhone in a simple and inspiring format.
SoundCloud - Enjoy music & follow favourite artists
ReSlice - Slice your audio with an advanced, rhythmic arpeggiator and FX.
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
Ripple Maker - A coffee machine that turns selfies & photos into latte art