The consistency with which John Mayer combines word craft and melody has earned him rarefied status as a respected songwriter and musician. As one of few musicians to achieve both critical acclaim and popular appeal, the seven-time Grammy Award winner has earned accolades for each album release while selling in excess of 17 million albums worldwide. Known as a musician who defies genre boundaries, John Mayer is well known for collaborations with a range of artists. From rock to blues, hip-hop to jazz to country, Mayer has performed and/or recorded with Eric Clapton, BB King, Buddy Guy, T-Bone Burnett, Herbie Hancock, Dixie Chicks, Jay Z and Alicia Keys.