Tuba Solo - Level 4 - Digital Download SKU: A0.1013956 Composed by Jeff Henderson. 20th Century,Concert,Contemporary. Individual part. 4 pages. Jeff #6776939. Published by Jeff (A0.1013956). Triptych for unaccompanied tuba is a three movement work with varying styles and techniques. The piece was composed in 2021 by Jeff Henderson to be performed by Justin Ohman.