B-Flat trombone,Piano,Tenor Trombone - Level 3 - Digital Download SKU: A0.1251326 By Bruno Mars. By Andrew Wyatt, Ari Levine, Bruno Mars, and Philip Lawrence. Arranged by Kyle Raftery. Jazz,Pop. Score and part. 12 pages. Kyle Raftery #845601. Published by Kyle Raftery (A0.1251326). A really fun solo for an intermediate player, written specifically for trombone by a trombonist. Lower key than the original recording but much easier for brass. Includes solo part in Bass Clef and Bb Treble Clef (suitable for trumpet, euphonium, clarinet, tenor sax etc.) along with the piano part, chords and full score. Backing track can be found on my YouTube channel along with 100â??s of other fun trombone solos, duos and quartets.