2011 marked the 30th anniversary of BLIZZARD OF OZZ (U.S. release) and DIARY OF a MADMAN. Both landmark albums took metal in a new direction in the early 1980s, inspiring new generations of rock bands and fans. This latest edition of this Hard Rock Masterpieces showcase Ozzy s musical collaborations with late guitar hero Randy Rhoads. Both BLIZZARD OF OZZ and DIARY OF a MADMAN have been restored and remastered from the original tapes for these definitive editions.