June 26, 2010 - Toyota Park, Chicago, IL. The third annual Crossroads Guitar Festival featured performances from Eric Clapton, Jeff Beck, B.B. King, John Mayer, Derek Trucks, Buddy Guy, Jimmy Vaughan, Robert Randolph, Joe Bonamassa, and many more. Photos by Chris Kies

"John Mayer used the second Dumble we saw that day, along with his Two Rock."
Click here to read Premier Guitar's full report on the show's events.