U.D.O., the German metal band led by former ACCEPT frontman Udo Dirkschneider, will release a "rare-tracks" album with some very special gems for the fans. Entitled "Celebrator", the effort will be made available on May 4 via AFM Records. The full track listing will be announced next week.

CD 1:

01. U.D.O. - Stormbreaker ("Rev-Raptor" Japan Bonus)
02. U.D.O. - Tallyman (Taken from the "Rev-Raptor" recording session)
03. U.D.O. - Run! (Remix)
04. U.D.O. - Free Or Rebellion (Bonus "Leatherhead" Single)
05. U.D.O. - Bleeding Heart ("Dominator" Japan Bonus)
06. U.D.O. - The Silencer (Taken from the "Dominator" recording session)
07. U.D.O. - Bodyworld (Bonus "Infected" Single)
08. U.D.O. - Systematic Madness (Bonus "Infected" Single)
09. HAMMERFALL feat. Udo Dirkschneider - Head Over Heels
10. U.D.O. - Balls To The Wall (Piano Version)
11. U.D.O. - Artificialized (Taken from the "Mastercutor" recording session)
12. LORDI feat. Udo Dirkschneider - They Only Come Out At Night
13. U.D.O. - Streets Of Sin (Bonus "Wrong Side Of Midnight" Single)

CD 2:

01. U.D.O. - Tears Of A Clown ("Classical Version")
02. U.D.O. - Man A King Ruler ("Mastercutor" Japan Bonus)
03. U.D.O. - Hardcore Lover (Remix from "24/7" - Single)
04. U.D.O. - Scream Killers (Bonus "24/7" Single)
05. U.D.O. feat. Faktor2 - Platchet Soldat (Remix with national Russian artist)
06. U.D.O. - Borderline ("Thunderball" Japan Bonus)
07. U.D.O. feat. DORO - Dancing With An Angel (Remix)
08. U.D.O. - X-T-C (Remix from "A Tribute To ACCEPT Vol. 2")
09. U.D.O. - Azrael (Remix from "No Limits")
10. U.D.O. - The Key (Remix from "No Limits" Japan Bonus)
11. U.D.O. - Metal Gods (from "A Tribute To Judas Priest")
12. RAVEN feat. Udo Dirkschneider - Born To Be Wild