World Science Festival 2009: Don't Worry Be Happy!

Bobby McFerrin demonstrates the power of the pentatonic scale, using audience participation, at the event "Notes & Neurons: In Search of the Common Chorus", from the 2009 World Science Festival, June 12, 2009.

For more info check http://www.worldsciencefestival.com/ 

Bobby McFerrin treated the audience to several improvised a cappella performances. Here is the first of two songs: