Equilibrium by Eric North. For trombone duo (2nd part can be bass). Contemporary. Moderately advanced. Full score. Published by Cherry Classics (CY.CC2233).
Eric North is a talented young Canadian composer who has used the simple semi-tone as a study for this inventive Trombone Duo. Each performer moves only a semi-tone from the starting tone, however the changing rhythms and tonality keep this piece very interesting.