Bass Trombone - Level 5 - Digital Download SKU: A0.1311200 Composed by traditional Christmas music. Arranged by Tommy Cooper. Christmas. 18 pages. Gordon Cherry #900190. Published by Gordon Cherry (A0.1311200). Trombone Bells for Christmas for 6-part Trombone Ensemble is a unique and great sounding arrangement by Tommy Copper of three traditional Christmas carols: Carol of the Bells, What Child is This and We Wish You a Merry Christmas. Both being in a quick 3/4 time make them perfect together. Tommy uses bell tones from the ensemble to create a magical atmosphere for the listener.Appropriate for moderately advanced to advanced performers, the instrumentation is for 4 tenor trombones (parts 1 & 2 in tenor clef) and 2 bass trombones.