Nikki Sixx (Mötley Crüe), Scott Ian (Anthrax), Rudy Sarzo, Dave Kushner (Velvet Revolver), etc. all took part in the “AC/DC Comedy & Rock Show: A Tribute To Bon Scott” event on April 3 at the Avalon in Hollywood, California. Rock and roll comedian Dean Delray organized the show, which featured comedy from him, Bill Burr,…