Brass Quartet Horn,Trombone,Trumpet - Digital Download SKU: A0.1324833 Composed by High Voltage Charts. Instructional. 2 pages. High Voltage Charts #913044. Published by High Voltage Charts (A0.1324833). Manuscript Paper - Brass QuartetTrumpet 1 in Bb, Trumpet 2 in Bb, Horn in F, Trombone.