David Coverdale is celebrating the 50th anniversary of his Deep Purple debut with a special version of The Purple Album. Whitesnake’s tribute to his three-year tenure with the legendary group.

This newly remixed, remastered, and expanded edition of the 2015 album features previously unreleased recordings, including the very demo that secured Coverdale’s spot with Deep Purple.

Coverdale was a 21 when he joined Deep Purple in 1973. He went on to record three classic albums alongside the Rock and Roll Hall of Famers, before forming Whitesnake a few years later.

The Purple Album: Special Gold Edition will be released on October 13th.  And a new remix of “Burn” is available now.