TED: Releasing the music in your head.

ted.com — Tod Machover of MIT's Media Lab-inventor of the technology behind Guitar Hero-introduces Dan Ellsey, a composer with cerebral palsy who uses the lab's tools to write/perform his own music. Ellsey conducts his "My Eagle Song," in a performance that underscores music's power to give you chills. This is truly using technology to enrich peoples lives. Apr 15, 2008 View in Crawl 4