Musician Tim McGraw attends the "Stand Up to Cancer" event at the Shrine Auditorium on Friday, Sept. 7, 2012, in Los Angeles. The initiative aimed to raise funds to accelerate innovative cancer research by bringing new therapies to patients quickly. (Photo by John Shearer/Invision/AP)

Photo by: John Shearer

Musician Tim McGraw attends the "Stand Up to Cancer" event at the Shrine Auditorium on Friday, Sept. 7, 2012, in Los Angeles. The initiative aimed to raise funds to accelerate innovative cancer research by bringing new therapies to patients quickly. (Photo by John Shearer/Invision/AP)