Ethan, a 6-year-old with autism, plays Piano Man. Blind 8-year-old autistic boy stops to listen to street guitar guy. Deb "Spoons" Perry performs "Lonely Boy" by The Black Keys. Bobby McFerrin - Drive (Live from Montreal) Bobby Mc Ferrin +Ferenc Snétberger. World Science Festival 2009: Bobby McFerrin Demonstrates the Power of the Pentatonic Scale.