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 Benedictions for treble solo, SATB choir and keyboard La Vie En France theme and incidental music Missa Brevis for SSAATTBB choir or soloists Mr Polly at the Potwell Inn opera in one act Robin Hood music for a pantomime The Hawkeyed Sentinel opera in one act with small orchestra