The 1st work for flute/alto flute, clarinet, marimba, piano, viola, and violoncello; the 2nd for mezzo-soprano, alto flute, bass clarinet, harpsichord/celesta/chamber organ, marimba/glockenspiel, guitar, violin/viola, and violoncello.
Eds. recorded: Boosey & Hawkes (1st work), J & W Chester (2nd work).
Durations: 29:30; 15:25.
Recorded Jan. 29-31, 1980, Walthamstow Assembly Hall, London.