Trombone Solo - Level 3 - Digital Download SKU: A0.803425 By Vulfpeck. By Jack Stratton. Arranged by Robert Fisco. Contemporary. Individual part. 9 pages. Robert Fisco #6196505. Published by Robert Fisco (A0.803425). This arrangement of one of Vulpeck's popular tune Back Pocket for Trombone Quartet is a light, yet exciting piece for a wide variety of concert programs. Sure to be loved by any Vulfpeck fans and enjoyed by those who may have never heard the group, this arrangement fits very nicely in the middle of a setlist or program. Though the melody is not in the bass trombone, the transcription of Joe Dart's bassline makes for an impressive showcase for the bass trombonist. Approximate length: 2:45