** FILE ** This June 1, 2012 photo shows guitarist Eddie Van Halen of the band Van Halen performing in Los Angeles. Van Halen underwent an emergency surgery for the digestive disease diverticulitis and is canceling his tour in Japan to recover. (Associated Press)

** FILE ** This June 1, 2012 photo shows guitarist Eddie Van Halen of the band Van Halen performing in Los Angeles. Van Halen underwent an emergency surgery for the digestive disease diverticulitis and is canceling his tour in Japan to recover. (Associated Press)