FriendRadio!

Play music through up to 7 iPhones at the same time, in perfect sync. Use FriendRadio when hanging out with friends:You have complete control over which songs you want to share. Features* Connect up to 7 iPhones, iPads, or iPod Touches over WiFi* Music plays in perfect sync on all devices* Everyones songs get played* Complete control over which songs you are sharing with the group* Everyone has the ability to skip a song they dont want to hear* Master volume control from any device* Easily download songs you like from iTunesRequirements* All devices must be connected to the same WiFi network* All devices must be running FriendRadio