Trombone Solo - Level 4 - Digital Download SKU: A0.771758 Composed by Gregory Hamilton. Concert,Contemporary. Individual part. 7 pages. Dr. Gregory Hamilton #1990851. Published by Dr. Gregory Hamilton (A0.771758). This Lament for Trombone and Piano was written in memory of Fr. Ralph March, who died in 2016. He was a music scholar of great importance and a member of the Cistercian Order. Trombone part included www.gregoryhamilton.org.