Instrumental Duet Horn,Instrumental Duet,Trombone - Level 3 - Digital Download SKU: A0.716935 Composed by Scott Joplin. Arranged by Tim Curd. Jazz,Ragtime. Score and parts. 9 pages. Tim Curd #4987957. Published by Tim Curd (A0.716935). The Entertainer. Duet for Horn in F and Trombone in C