Only a couple of days after announcing their next world tour, the opening acts for the upcoming Stones tour have also been released. Kicking off the tour will be the Black Eyed Peas, followed by Maroon 5, the Tragically Hip, and Pearl Jam at the end of the September. This will be the first time Pearl Jam has played with the Stones since 1997. Finally, the John Mayer trio will make its debut in October.http://www.billboard.com/bb/daily/article_display.jsp?vnu_content_id=1000922063