Instrumental Duet Instrumental Duet,Trombone,Trumpet - Level 2 - Digital Download SKU: A0.695276 By Rascal Flatts. By Kim Gannon and Walter Kent. Arranged by B. C. Dockery. Contemporary. Score and parts. 2 pages. Ben Dockery #6575711. Published by Ben Dockery (A0.695276). Arranged for trumpet and trombone duet. Great for lessons, recitals, caroling, and Christmas parties.