The Beatles 50 years tribute week started with Sting , with guests Ivy Levan and Mike Einziger performs "Drive my Car" at the Late Show with David Letterman.
CBS will tribute the Liverpool four this Sunday February 9 with a special program: The Night that Changed America: A Grammy salute to the Beatles, from 8 to 10 p.m (ET/PT)
Nexus 5 and Nexus 7:
