Item: Damon Albarn Gorillaz Signed Autograph Demon Days Vinyl Record Album PSA/DNA COA Description. This Vinyl Record Album, Demon Days, has been hand signed/autographed by Legendary Musician, Damon Albarn. The album features PSA/DNA Authentication. At Nick's Sports Autographs we specialize in 100% authentic, Sports, Political (including Presidents) and Celebrity Autographs (Hollywood and Music). We travel worldwide to obtain our inventory.