Brass Ensemble Trombone - Digital Download SKU: A0.897934 Composed by Dominic Olson, Brass Key Music. Contemporary,Contest,Festival. Score and parts. 9 pages. Brass Key Music #5789615. Published by Brass Key Music (A0.897934). Elwood Street Rag by Dominic Olson / Brass Key MusicOriginal Composition for Trombone Quintet or Trombone Choir.