By Gilles Senon. Trombone quartet. For 3 Trombones, 1 Bass Trombone. Classical, Chamber Music. Grade 3. Score and set of parts. 6 pages (score); 8 pages (parts). Published by FLEX Editions

By Carlos Montana. For 4 trombones with optional piano/keyboard, guitar and drums. Grade 3. Score and parts. Published by Editions Marc Reift

By Randy Aldcroft. For Trombone Quartets (Trombone quartet and Rhythm section). Medium. Score and parts