According to Michael Kiske Official Fanclub, former Helloween singer Michael Kiske will make a guest appearance on the new Gamma Ray album entitled "To The Metal", which be released on January 29, 2010 via earMUSIC/Edel.

Kiske will contribute backing vocals to a chorus in one track. Kiske had also made aguest appearance on the 1995 Gamma Ray album "Land Of The Free", singing on the song "Time To Break Free" and adding to the high chorus of "Land Of The Free".