A documentary on the recording of Joseph Horovitz's Jazz Harpsichord Concerto (1965) performed by Patrick Ayrton, harpsichord, and the ensemble Les Inventions. A film by Komeda Films with an exclusive interview by Patrick Ayrton to the world-renowned composer Joseph Horovitz; his works includes 16 ballets, like Alice in Wonderland (1953), 2 one-act operas (The Dumb Wife, libretto Peter Shaffer; Gentlemen’s Island, libretto Gordon Snell), and concertos for violin, oboe, clarinet, bassoon, trumpet, euphonium, tuba and percussion.