In the future, Professor Wang said, a music ensemble could be made up of any group of people playing music together, no matter where they are physically.
Users of Smule’s Ocarina software can already listen to other people, anywhere in the world, who are playing at the same time. Professor Wang has talked to the San Francisco Symphony about a joint performance, with traditional and iPhone instruments, and he hopes to someday host a concert with musicians and amateurs from across the globe playing their iPhones all at once.