By Meredith Willson. Arranged by Kenneth Amis. Trombone Quartet. For 4 trombones. A virtuoso theme and variations for solo trombone in the style of Arban. Broadway, Classical. Full score and set of parts. Duration 8:00. Published by Amis Musical Circle.

By Leonard Bernstein. For 4 trombones and rhythm section. Swiss import. Level: 5. Score and parts. Published by Editions Marc Reift. (EMR 4049)