Five O'Clock Shadow, the all-vocal rock band from Boston, is living proof that a band without instruments can still rock! Using the same tech wizardry that guitarists have been using since the dawn of rock, Dan, Oren, Paul, and Caleb morph their voices into shredding guitar riffs and soaring solos right before your very ears. Meanwhile, their one-man vocal rhythm section, Stack, lays down his "beatbass": mouth beats and vocal bass thundering forth from his face, both at the same time! Yet whe...