Gamma ray – Man on a mission Drum cover Jun 11, 2015 Cover, Cover Gamma Ray, Cover Heavy Metal, Cover Metal, GAMMA RAY Deluxe Collection, Insanity And Genius, Gamma ray Man on a mission drum cover by David Viana. Like 0 Thanks! You've already liked this « Mission sunset – Palms – Cover Jean 2014 MPG » Mission in the Rain – Jerry Garcia cover