http://www.youtube.com/watch?v=jumGMTfDqDY Dr. GE Wang of Smule and Stanford University demonstrate Leaf Trombone, a new virtual instrument for the iPhone that takes advantage of iPhone 3.0’s multiplayer capabilities. Leaf Trombone was introduced at the Apple iPhone OS 3.0 preview yesterday. For more thoughts on the music implications of the new OS, see 5 Reasons Apple’s iPhone… Read More Leaf Trombone Demo From The Apple 3.0 Introduction