In this epic overview, Michael Tilson Thomas traces the development of classical music through the development of written notation, the record, and the re-mix.

Beats that defy boxes | Reggie Watts

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.