John Mayer with special guest One Republic

John Mayer
After a short-lived stint at the Berklee College of Music, where he had a "great learning experience, but not because of class," John Mayer set down roots in Atlanta, where his music career hit the ground running.

OneRepublic
"The toughest thing to do is write a hit song and the easiest thing to do is act like a rock band," says OneRepublic singer-songwriter Ryan Tedder. "But we had a hit song before we had an album and we can't pull off the 'rock god' thing.