Harold Simon 'Harry' Miller was a jazz musician who began his career as a bassist with Manfred Mann. Subsequently, in addition to his career as a leader, started in 1972 with the album entitled "Children At Play", Miller worked and collaborated frequently with musicians such as Keith Tippett, Stan Tracey, Mike Westbrook, Louis Moholo, Chris McGregor, John Surman, Elton Dean and Mike Cooper. He also appeared, as a session musician, on the album "Islands" by King Crimson. Miller was the founder (along his wife, Hazel Miller) of the record label "Ogun Records".