Score and Parts-Bernhard Heiden was a German and American composer and music teacher who studied under and was heavily influenced by Paul Hindemith. Heiden's music is described by Nicolas Slonimsky another composer as 'neoclassical in its formal structure and strongly polyphonic in texture; it is distinguished also by its impeccable formal balance and effective instrumentation'. Much of Heiden's music is for either Wind or String chamber groups or solo instruments with Piano though he also wrote two symphonies an opera ('The Darkened City') a ballet ('Dreamers on a Slack Wire') and vocal and incidental music for poetry and severalof Shakespeare's plays.Variations is scored for solo Tuba and nine French Horns.