Trombone Quintet Trombone - Level 4 - Digital Download SKU: A0.1214542 By Robert Hendrickson. By George Gershwin. Arranged by Robert Hendrickson. 20th Century,Broadway,Jazz,Musical/Show,Ragtime. 17 pages. Rob Hendrickson #811523. Published by Rob Hendrickson (A0.1214542). Arranged for trombone quintet.