S35: John Mayer Trio plays "Who Did You Think I Was"

Aired: 6/5/2011 | 0:06:25 | Clip
John Mayer Trio, after an introduction by comedian Bill Murray dressed as Elvis on stage, play their hit song "Who Did You Think I Was" for the Eric Clapton Crossroads Guitar Festival III concert for a sold-out crowd of more than 27,000 music fans at Chicago's Toyota Park.