Rockers CHEAP TRICK have signed on to be the house band for a 40th anniversary celebration of THE BEATLES' Sgt. Pepper's Lonely Hearts Club Band album. The Surrender hitmakers will back a string of star vocalists who will perform tracks from the Sgt. Pepper's album, as well as other Beatles favourites, at the Hollywood Bowl celebration in August (07). Singers for the Sgt. Pepper's At 40: A Beatles Celebration shows are yet to be announced.