Worship Music is the tenth studio album by American thrash metal band Anthrax. The album was released on September 12, 2011 internationally, and on September 13 in the United States. It was the band's first album of original material since 2003's We've Come for You All, the first full-length Anthrax album since the return of longtime vocalist Joey Belladonna, and the final album with guitarist Rob Caggiano prior to his departure in January 2013.