For Baritone Actor Vocal Quartet 2 Mixed Choruses (minimum 16 Voices) and Ensemble: Flute (+Alto Flute) Harp 2 Piano (1st+Celeste 2nd+Electric Piano) 2 Electric Guitars 4 PercussionPublished 1967/8Libretto:E.Lutyens.First performance: John Gibbs Barry Foster New Opera Company chorus and orchestra conducted by Leon Lovett Sadlers Wells 1st March 1972.