Work The Hawkeyed Sentinel opera in one act with piano accompaniment Year: 1969 · Duration: 40m Instrumentation: soprano, tenor, baritone, bass, piano Year: 1969 Duration: 40m Instrumentation soprano, tenor, baritone, b... John Drummond Composer Composer: John Drummond About Work About O.pera in one act after Cervantes Text note Libretto by John Drummond Related tags New Zealand Text Related works A Beleaguered City opera in six scenes Larnach opera in two acts for voices and fifteen players Marriage à la Mode salon opera in four scenes Plague Upon Eyam opera in three acts Psalm 121 for SATB choir and organ The Dawning Of The Year for soprano, baritone and piano