The USPTO has awarded Apple with a patent on Tuesday for "Coordinated group musical experience,"which allows music to be shared amongst iOS device users connected via a wireless network; the idea is based on something called "Silent Discos" in which a number of people get together to listen to music being played...
Source: http://www.phonearena.com/news/Apple-patent-lets-iOS-users-distribute-and-attend-a-private-concert_id46800
Source: http://www.phonearena.com/news/Apple-patent-lets-iOS-users-distribute-and-attend-a-private-concert_id46800