John Mayer tour dates 2012

John Mayer is an American pop-rock musician. In 2003, he won the Grammy Award for Best Male Pop Vocal Performance for the 2002 single Your Body Is a Wonderland from the album Room for Squares. Mayer has won a total of seven Grammy awards from eighteen nominations. John has sold over 10 million albums in the U.S. and 20 million albums worldwide. He has toured with many musical groups, including Maroon 5, Ben Folds, Sheryl Crow, Colbie Caillat, Train, OneRepublic and Paramore. Mayer also toured with the legendary jazz pianist Herbie Hancock. Top singles: Heartbreak Warfare, Who Says and Waiting on the World to Change.