Davey Pattison (born November 18, 1945 in Scotland) is a San Francisco Bay Area based rock vocalist. Pattison recorded his first music in 1969, and his career took off after arrival in the United States in 1979, on invitation from Bill Graham, to front the band Gamma, formed by Bay Area guitarist Ronnie Montrose. 　　In 2004, Pattison joined with legendary guitar player Michael Schenker to form the Schenker Pattison Summit, along Aynsley Dunbar, one of rock's most well 　　known drummers and bassist Gunter Nezhoda to record "The Endless Jam." They followed up with "The Endless Jam Continues" in 2005 with Tim Bogert on bass. 　　Pattison toured during the summer of 2008 and fall of 2010 in Europe with the Robin Trower Band, and toured the United States with Trower in 2011. In 2013 Pattison re-formed Gamma with drummer Dan Buch (Butch), Van Spragins on bass, Tommy Merry on guitar and Brad Barth on keyboards. Pattison is performing hits from Gamma, Robin Tower and Schenker Pattison Summit.