Gamma was a band formed by guitarist Ronnie Montrose and singer Davey Pattison in San Francisco in 1979. They put out 4 albums: Gamma 1 in 1979, Gamma 2 in 1980, Gamma 3 in 1982 (all on Elektra Records) and Gamma 4 in 2005. Their best known song is probably "Fight to the Finish" from their first album, but another popular song was "Meanstreak".   Wikipedia