Aynsley Dunbar led the Aynsley Dunbar Retaliation, who wrote the song "Warning", covered by Black Sabbath on their debut album. The Aynsley Dunbar Retaliation issued a number of albums. Dunbar was later the drummer for Frank Zappa's Mothers of Invention, featuring on albums such as Waka/Jawaka, and The Grand Wazoo, as well as the film 200 Motels. In 1974 he played on the soundtrack for "Down and Dirty Duck", a Chuck Swenson adult animated movie. In the mid 1970s, Dunbar joined Journey for their first four albums; he left and joined Jefferson Starship for three albums.

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