Good news and bad news for AC/DC and their fans.

The good news? The band has announced they will release their first album in six years on December 2nd. The album features 11 new tracks from the veteran rockers and will be called 'Rock or Bust.'

Unfortunately there is bad news as well. The band also announced that founding guitarist Malcom Young won't be returning. An undisclosed illness prevented Young from recording the new album, the first in 41 years without him. Angus and Malcolm Young's nephew Stevie, who played guitar on the album, will accompany the band on an expected worldwide tour in 2015.

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