Brass Ensemble Horn,Trombone,Trumpet - Level 4 - Digital Download SKU: A0.1002570 Composed by Maurice Ravel. Arranged by Yau Yann Zhe. Romantic Period. Score and parts. 12 pages. Yann #6696669. Published by Yann (A0.1002570). Ravel Bolero arrange for brass trio trumpet, horn and trombone .