Voyager - Gamma with Davey Pattison

9/16/2016. Gamma finishes the show at The Grand Theater in Tracy, California with a knockout performance of Voyager!! Davey Pattison - Legendary Vocals Tommy Merry - Guitar Dan Buch - Drums Brad Barth - Keyboard Vandal Spragins - Bass Ronnie Montrose - in the hearts of everyone in attendance.