Bass Trombone - Level 4 - Digital Download SKU: A0.1470426 By Timothy Lee Miller. By Timothy Lee Miller. Arranged by Timothy Lee Miller. 21st Century,Classical,Contemporary,Jazz. 28 pages. TLM Music Publishing #1048146. Published by TLM Music Publishing (A0.1470426). Two short movements that are cartoonish in nature are Cat'n Mouse Chase and The Wayward Cowboy for three trombones.