Once ordained the world's loudest rock band by the Guinness Book of World Records, Deep Purple started off humbly enough. Their '68 debut Shades of Deep Purple featured mostly covers and contained little to set the band above a raft of Acid Rock novelty acts that included Iron Butterfly, Quicksilver Messenger Service and the Electric Prunes. Atrociously produced, even by '60s standards, the album's one saving grace is "Hush," a song that pits Ritchie Blackmore's wrecking-ball...  [+]