Brothers Jonny, Robbie and Tommy Mizzone are The Sleepy Man Banjo Boys, a trio of virtuoso bluegrass musicians who play with dazzling vivacity. Did we mention they're all under 16?

Dance, tiny robots! | Bruno Maisonnier

Some of the world's greatest musicians and researchers showcase the power and science of music onstage at the TED conference, TEDx events and partner events around the world. You can also download these and many other videos free on TED.com, with an interactive English transcript and subtitles in up to 80 languages. TED is a nonprofit devoted to Ideas Worth Spreading.