The act with the first arena-sized sound in the electronica movement, the Chemical Brothers united such varying influences as Public Enemy, Cabaret Voltaire, and My Bloody Valentine to create a dance-rock-rap fusion that rivaled the best old-school DJs on their own terms -- keeping a crowd of people on the floor by working through any number of groove-oriented styles featuring unmissable samples, from familiar guitar riffs to vocal tags to various sound effects. And when the duo (Tom Rowlands and Ed Simons) decided to supplement their DJ careers by turning their bedrooms into ...