The Gnarls Barkley collaboration didn't bring producer Danger Mouse to the top of the British charts for the first time, but it did mark his debut as the pilot of a hit record. Mouse, born Brian Burton, first gained the ears of discriminating listeners when he concocted "The Grey Album", a bootleg that mashed the vocals from "The Black Album" by Jay-Z with music samples courtesy of "The White Album" by EMI flagship the Beatles. ...