German heavy metal band U.D.O. is set to release their upcoming rare tracks album, Celebrator - Rare Tracks, on May 4th via AFM Records to celebrate the 25th band anniversary. The album presented by Metal Hammer is a collection of unreleased and rare tracks which will be released as a 2-CD digipak with 25 tracks. Check out snippets of the album at this location.

Source:	facebook.com
Band profile:	U.D.O.