I. Davey Pattison (born 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 on invitation from Bill Graham, in 1979, to front the band Gamma, formed by Bay Area guitarist Ronnie Montrose. After several albums with Trower, Pattison rejoined Montrose in 1992. Since then, Pattison has performed as a solo artist and has also reunited with Trower for the Robin Trower Band's 2005 album, Another Days Blues.

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