Paul Simon

With Vince Gill, Paul Simon, Emmylou Harris, Carrie Underwood and Brad Paisley all performing at the All for the Hall benefit concert in New York City on Tuesday night (Oct. 6), there were bound to be some jaw-dropping collaborations -- but none can compare to Gill and Simon covering the Everly Brothers' 1960 hit, "When Will I Be Loved."

Although he's a gifted multi-instrumentalist, Jerry Douglas has become world-renowned for his mastery of the resonator guitar a/k/a the Dobro. In fact, James Taylor told Guitar Player magazine that Jerry Douglas is "the Muhammad Ali of the Dobro...