B-Flat Clarinet,Instrumental Duet,Trombone - Level 1 - Digital Download SKU: A0.1497669 By Traditional Music. By Traditional Music. Arranged by Arezzo Music. Christmas,Folk,Jazz,Standards,Traditional. 3 pages. Arezzo Music #1074083. Published by Arezzo Music (A0.1497669). When the saints go marching in easy Clarinet and Trombone sheet musicWhen the Saints Go Marching In is a lively and uplifting tune that has been adapted into an easy arrangement for Clarinet and Trombone. This sheet music is designed for beginners, with simple melodies and harmonies that allow players to enjoy making music together. The Clarinet part carries the familiar melody, while the Trombone provides a supportive harmonic foundation. This piece is perfect for beginner duos looking to practice ensemble playing and enjoy a fun, recognizable song in their repertoire.when the saints go marching in easy Clarinet and Trombone sheet music.