Work The Birds comic opera in two acts Year: 1986 · Duration: 2h Instrumentation: main roles: soprano, mezzo-soprano, tenor, 2 baritones; cameo roles: mezzo-soprano, alto, baritone, bass; SATB chorus; 2 pianos, 2 synthesisers; spoken dialogue. Year: 1986 Duration: 2h Instrumentation main roles: soprano, mezzo-... John Drummond Composer Composer: John Drummond About Work About Comic opera in two acts after Aristophanes. Text note Libretto by John Drummond Related tags New Zealand Text Related works A Beleaguered City opera in six scenes And Grandmother Played Bridge music for a masque Chalk music for film Epithalamium for SATB choir and organ Goethe's Faust incidental music Ode To Music for solo voice (or duet) and keyboard