Canon for Three Equal Instruments (1971) by Elliott Carter
for flute, clarinet, and viola

The Canon for 3 — In Memoriam Igor Stravinsky (for three equal instrumental voices; at the augmented fourth by inversion and at the unison) was composed for one of the Stravinsky memorial issues of the English music magazine Tempo, at the request of David Drew, its editor. In proposing the canonic form to a group of European and American composers, he was following the lead of Stravinsky himself, who wrote a number of commemorative pieces in this form. This canon my be performed by any three instruments having the range of the score written in C.