U.D.O. опубликовали трек-лист нового сборника редких треков „Celebrator“, выход которого намечен на 4 мая на лейбле Afm Records:
CD 1:
01. Stormbreaker ("Rev-Raptor" Japan BONUS)
02. Tallyman (Taken from the "Rev-Raptor" recording session)
03. Run! (Remix)
04. Free Or Rebellion (bonus "Leatherhead" Single)
05. Bleeding Heart ("Dominator" Japan bonus)
06. The Silencer (Taken from the "Dominator" recording session)
07. Bodyworld (bonus "Infected" Single)
08. Systematic Madness (bonus "Infected" Single)
09. HAMMERFALL feat. Udo Dirkschneider - Head Over Heels
10. Balls To The Wall (piano version)
11. Artificialized (Taken from the "Mastercutor" recording session)
12. LORDI feat. Udo Dirkschneider - They Only Come Out At Night
13. Streets Of Sin (bonus "Wrong Side Of Midnight" single)
CD 2:
01. Tears Of A Clown ("Classical Version")
02. Man A King Ruler ("Mastercutor" Japan bonus)
03. Hardcore Lover (remix from "24/7" single)
04. Scream Killers (bonus "24/7" single)
05. U.D.O. feat. Faktor2 - Platchet Soldat (remix with national Russian artist)
06. Borderline ("Thunderball" Japan bonus)
07. U.D.O. feat. Doro - Dancing With An Angel (remix)
08. X-T-C (remix from "A Tribute To ACCEPT Vol. 2")
09. Azrael (remix from "No Limits")
10. The Key (remix from "No Limits" Japan bonus)
11. Metal Gods (from "A Tribute To Judas Priest")
12. RAVEN feat. Udo Dirkschneider - Born To Be Wild