The sonata is in four movements. Clamor is fast and energetic. Evensong is a re-imagining of a very short anthem I wrote for my cousin's church choir and a reference to the trombone (sackbut) as a church instrument during the Middle Ages. Prank exploits one of the trombone player's greatest (or worst) clich‚s_that of the orchestra's laid-back joker. Friday Night celebrates both the trombone's wonderful lyric qualities and its cousins' role in the ensembles of the big band era. -the composer