B-Flat Trumpet,Piano - Level 3 - Digital Download SKU: A0.1518148 Composed by Matt Sumner. Classical. Score and part. 13 pages. Sumner Music #1092298. Published by Sumner Music (A0.1518148). This original solo composition for Bb trumpet and piano accompaniment was inspired by my wife's love for the spring season. It incorporates an eclectic mix of classical, jazz, and modern styles in this short but enjoyable piece.