Trombone Duet Trombone - Level 2 - Digital Download SKU: A0.1103858 By Celine Dion. By Harry Warren and Mack Gordon. Arranged by Pete Cross. Film/TV. Score. 5 pages. Robert Peter Cross #707140. Published by Robert Peter Cross (A0.1103858). Trombone quartet. Which will show the range and sound colour of the trombone, which players young and old can be stretch yet is easy in reach of a player of around grade 4- and above.