Hear Tom Morello and Serj Tankian's Dizzying 'Crazy Train' Cover

Guitarist Tom Morello and System of a Down singer Serj Tankian have joined forces to pay tribute to late Ozzy Osbourne guitarist Randy Rhoads, who helped usher classicism into heavy metal before his accidental death in 1982, with a reverent cover of “Crazy Train.” The track will appear on an……