Bass Trombone,Trombone Solo - Level 5 - Digital Download SKU: A0.1469768 Composed by David Fetter. 20th Century,Religious. Individual part. 2 pages. Gordon Cherry #1047674. Published by Gordon Cherry (A0.1469768). Dona Nobis Pacem (Give Us Peace) is a short three verse round that has been attributed to Palestrina. David Fetter has beautifully composed a set of Variations on the beautiful main theme for unaccompanied Bass Trombone.This 4-5 minute work is appropriate for advanced performers. There is also a version of this work for Tenor Trombone.