Grammy® Award-winning composer and conductor Eric Whitacre is one of today’s most popular and performed musicians. His works are programmed worldwide by orchestras and choirs, while his ground-breaking Virtual Choirs have united singers from over 120 different countries. Check out his virtual choirs--he's working on the 6th one right now!
Steve Reich is the composer of a piece of music called 'Clapping Music', written in 1972. The really neat thing about this music is that you can play it using only 4 hands! Watch the video first and then check out the app that helps you learn this piece. Sorry Android users, this app only works for iOS devices :(