Gatefold / Purple Vinyl. In 1997, the release of "Solid" started a new chapter in the history of U.D.O.. In the years that followed, a multitude of other Heavy Metal milestones were to follow. After now more than 25 years these classics are finally reissued. On 24.11.2023 the first four albums of the series will be released - partly for the first time - on vinyl. "Holy", originally released in 1999, will be available as a limited purple vinyl.