Rehearsal for 'Million Dollar Quartet'

Robert Britton Lyons performs as Carl Perkins during a rehearsal for "Million Dollar Quartet" in a warehouse near The Orleans on Tuesday, Jan. 15, 2013. "Million Dollar Quartet" is based on a performance by Johnny Cash, Jerry Lee Lewis, Carl Perkins and Elvis Presley at Sun Records in Memphis on Dec. 4, 1956. The new show begins at Harrah's Las Vegas on Feb. 4. by Steve Marcus