Brass Ensemble Trombone - Level 2 - Digital Download SKU: A0.933897 Composed by William Pagan-Perez. Contemporary,Latin,Standards. Score and parts. 14 pages. William Pagan-Perez #5713167. Published by William Pagan-Perez (A0.933897). It is a single movement concert piece for trombone quartet. It has early-intermediate Latino rhythms.MP3 includes percussion instruments that are not required and are written inside the score.