TRAILER for The Premier and first time on YouTube.; It's the 18 Year Anniversary Special of "One World: The Concert for Tsunami Relief (2004) Featuring Special Guest: Robin Williams, Sarah McLachlan, Barenaked Ladies, Avril Lavigne, SUM 41, Chantal Kreviazuk, Raine Maida and Delerium. Hosted by Brent Butt and Rick Mercer.