Composer: Holliger, Heinz
Publisher: Schott (Germany)
for oboe (doubles English horn), clarinet (doubles bass clarinet), horn, bassoon, and piano
by Heinz Holliger (b. 1939)- Swiss oboist, composer, and conductor
Unsurprisingly, the score makes use of extended technique, such as multi-phonics, key slaps, glissandi, and prepared piano. A key is provided.