In addition to his upcoming 12-show run with the Broadway musical hit Million Dollar Quartet, Lee Rocker has announced a special on-stage jam session during his final performance with the show on Sunday, Jan. 30 at the Nederlander Theatre. While being the bassist/vocalist of his Grammy-nominated band The Stray Cats, Rocker has sold nearly 10 million albums worldwide, in addition to receiving 23 gold and platinum certified records. His new EP The Cover Sessions, is set to be released in March 2011. Rocker will also treat NYC fans to a free celebration of his favorite tracks, as well as fan favorites, on Feb. 3 at 8 p.m., at Rockwood Music Hall.