Calvin G. Hayes (November 27, 1962 – July 9, 2026) was a British musician, keyboardist, drummer, and music producer. He co-founded the 1980s British pop band Johnny Hates Jazz, which had several Top 20 singles in the United Kingdom, including "Shattered Dreams," together with vocalist Clark Datchler and Mike Nocito. Hayes was the band's keyboardist and co-produced its music.
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