John Lennon's widow Yoko Ono has launched an educational bus to teach children in North America the basics in recording music. The vehicle - which is dedicated to the late Beatle - was unveiled at a consumer electronics show in Las Vegas on Monday (07Jan08), in a project which has received backing from rapper/producer The bus in fitted with state-of-the-art technology and is set to make stops at schools across the U.S. and Canada throughout 2008, reports Speaking at the event, Ono said, "Music is power. Music is light as opposed to darkness. Let's be a family of light. Let us be with the light and see that we can survive."