Trombone Duet Trombone - Level 4 - Digital Download SKU: A0.1491369 Composed by Melchior Franck. Arranged by Daniel Neumann. Classical. Score. 2 pages. Daniel Neumann #1068107. Published by Daniel Neumann (A0.1491369). Arrangement for two trombones, two tenors or tenor and bass trombone.