| Event Name | Title | Composer | Grade | Arranger | Collection? | Publisher | Questions |
| Trombone Quartet | 12 Quartets | Burgstahler | 1 | Collection | Pro Art | ||
| Trombone Quartet | Album of Folk Melodies | Lotzenhiser | 1 | Collection | Belwin-Mills | ||
| Trombone Quartet | Aura Lee | Christenson | 1 | McDunn | KJOS | ||
| Trombone Quartet | Chorale Classics Album | Whistler | 1 | Himmer | Collection | Rubank | |
| Trombone Quartet | Donnybrook | Ostransky | 1 | Rubank | |||
| Trombone Quartet | First Suite for Four Trombones | Olander | 1 | Ferguson | Schirmer | ||
| Trombone Quartet | Four Folk Tunes | Bowles | 1 | H.T. Fitzsimons | |||
| Trombone Quartet | Four Tone Folios (3 vols.) | Cheyette | 1 | Fischer | |||
| Trombone Quartet | Lansighting | Grieg | 1 | Linn | Southern | ||
| Trombone Quartet | March Fanfare | Bach | 1 | Yates | King | ||
| Trombone Quartet | Now the Day is Over | Christenson | 1 | McDunn | KJOS | ||
| Trombone Quartet | Panis Angelicus | Franck | 1 | Belwin-Mills | |||
| Trombone Quartet | Pilgrim Ode | Johnson, C. | 1 | Rubank | |||
| Trombone Quartet | Playwell Folio | 1 | Uggen | Collection | Schmitt, Hall | ||
| Trombone Quartet | Prelude and Galliard | Ostransky | 1 | Rubank | |||
| Trombone Quartet | Quartet | Artot | 1 | McDunn | KJOS | ||
| Trombone Quartet | Quartet Album (vol. 1) | LaViolette | 1 | Collection | Belwin-Mills | ||
| Trombone Quartet | Song to the Night | Frangkiser | 1 | Pro Art | |||
| Trombone Quartet | Trombone Ensemble Folio | 1 | Melin | Collection | Pro Art | ||
| Trombone Quartet | Two Episodes | Ostransky | 1 | Rubank | |||
| Trombone Quartet | 20 Quartets | 2 | Mueller | Collection | Wilhelm Zimmerman | ||
| Trombone Quartet | Allegro con Brio | Colby | 2 | Music Pub. Hold | ? | ||
| Trombone Quartet | Allegro Scherzo | McKay | 2 | Barnhouse | |||
| Trombone Quartet | Colloquy | Conley | 2 | Kendor | |||
| Trombone Quartet | Concert Suite | Clapp | 2 | Eble Music | |||
| Trombone Quartet | Cragged Pass | Johnson, C. | 2 | Rubank | |||
| Trombone Quartet | De Jesus and dem Kreuze Stund | Scheidt | 2 | King | |||
| Trombone Quartet | Enchantment | Carle | 2 | Wheller | Volkwein Bros. | ||
| Trombone Quartet | Equale No. 3 | Mendelssohn | 2 | Witlman/Smith | Ludwig | ? | |
| Trombone Quartet | March Triomphale | Johnson, W. | 2 | Belwin-Mills | |||
| Trombone Quartet | March Triumphant | Hurrell | 2 | Belwin-Mills | |||
| Trombone Quartet | Meditation | Busch | 2 | Fischer | |||
| Trombone Quartet | Miserere Amplus | Beethoven | 2 | Dedrick | KJOS | ||
| Trombone Quartet | My Bonnie Lass | Monley | 2 | Myers | Ensemble Pub. | ||
| Trombone Quartet | Now is the Month of Maying | Monley | 2 | Myers | Ensemble Pub. | ||
| Trombone Quartet | Pageant March | McKay | 2 | Boosey & Hawkes | |||
| Trombone Quartet | Pilgrim Ode | Johnson, C. | 2 | Rubank | |||
| Trombone Quartet | Processional | Haubiel | 2 | Opus Music | |||
| Trombone Quartet | Quartet for Trombones | Raphling | 2 | Belwin | |||
| Trombone Quartet | Quartet Repertoire | 2 | Collection | Rubank | |||
| Trombone Quartet | Rondo for Brass Quartet | Cohen | 2 | Fema Music | |||
| Trombone Quartet | Serenade in Gold | Cacavas | 2 | Southern | |||
| Trombone Quartet | Three Organa | Nelhybel | 2 | Belwin | |||
| Trombone Quartet | Where'er You Walk | Handel | 2 | Beeler | Rubank | ||
| Trombone Quartet | Arioso from Cantata No. 156 | Bach | 3 | McCarty | Ensemble Pub. | ||
| Trombone Quartet | Contrapunctus I | Bach | 3 | Smith | Pro Art | ||
| Trombone Quartet | Incantation and Canzona | Block | 3 | Western International | |||
| Trombone Quartet | O Sacred Head | Bach | 3 | Hanson | Ensemble Pub. | ||
| Trombone Quartet | Quartet | Bassett | 3 | King | |||
| Trombone Quartet | Quartet for Trombones | Bassett | 3 | King | |||
| Trombone Quartet | Quatuor | Dubois | 3 | Leduc | |||
| Trombone Quartet | Recessional | Britain | 3 | Harold Branch | |||
| Trombone Quartet | Seven Impressions | Cole | 3 | Associated | |||
| Trombone Quartet | Six Pieces for Four Trombones | Nelhybel | 3 | Collection | General Music | ||
| Trombone Quartet | Suite | Gervaise | 3 | MS Publications | |||
| Trombone Quartet | Suite for Four Trombones | Dondeyne | 3 | Editions Musicus | |||
| Trombone Quartet | Suite for Four Trombones | Peters | 3 | Peters | |||
| Trombone Quartet | Suite from Tresor D'Orphee | Francisque | 3 | Raph | Ensemble Pub. | ||
| Trombone Quartet | Suite of Lieder | Schubert | 3 | Ensemble Pub. | |||
| Trombone Quartet | Suite of Three Cities | Chapman | 3 | Peters | |||
| Trombone Quartet | Three Equali | Beethoven | 3 | Breitkopf | |||
| Trombone Quartet | Two Sketches | Von Kreisler | 3 | Southern | |||
| Trombone Quartet | Zwei Grosse Quartet (2 vol.) | Maas | 3 | Collection | Fischer | ||
| Trombone Quartet | Achieved is the Glorious Work | Haydn | 4 | Ensemble Pub. | |||
| Trombone Quartet | Adagio from Symphony No. 3 | Saint-Saens | 4 | Ensemble Pub. | |||
| Trombone Quartet | Aria from Suite No. 3 | Bach | 4 | McCarty | Ensemble Pub. | ||
| Trombone Quartet | Cinq Pieces a Quatre | Boutry | 4 | Leduc | |||
| Trombone Quartet | Concerto a Four | Telemann | 4 | Musica Rara | |||
| Trombone Quartet | Contrapunctus XIV | Bach | 4 | Kelleher | Ensemble Pub. | ||
| Trombone Quartet | Deux Pieces Breves | Rueff | 4 | Leduc | |||
| Trombone Quartet | Fugue in D minor | Bach | 4 | Myers | Ensemble Pub. | ||
| Trombone Quartet | Fugue, K401 | Mozart | 4 | Ensemble Pub. | |||
| Trombone Quartet | In Memoriam | Premru | 4 | Ensemble Pub. | |||
| Trombone Quartet | Prelude and Fugue | Bach | 4 | Fetter | Ensemble Pub. | ||
| Trombone Quartet | Recitative and Fugue | McCary | 4 | King | |||
| Trombone Quartet | Scarborough Fair | 4 | Reichenbach | Virgo | |||
| Trombone Quartet | Scherzo and Dirge | Sanders | 4 | King | |||
| Trombone Quartet | Sonata | Speer | 4 | Ensemble Pub. | |||
| Trombone Quartet | Suite | Gow | 4 | Musica Rara | |||
| Trombone Quartet | Suite | Hyde | 4 | Western International | |||
| Trombone Quartet | Suite | Langley | 4 | Hinrichsen Editions | |||
| Trombone Quartet | Suite | Otten | 4 | Donemus | |||
| Trombone Quartet | Suite for Four Trombones | Massis | 4 | Editions Musicus | |||
| Trombone Quartet | Suite for Four Trombones | Meulemans | 4 | Ce Be De M | ? | ||
| Trombone Quartet | Suite from Mount of Olives | Beethoven | 4 | Ostrander | Edition Musicus | ||
| Trombone Quartet | Three Preludes and Fugues | Laudenslager | 4 | Cor Publishers | |||
| Trombone Quartet | Trombone Quartet | Frackenpohl | 4 | Ensemble Pub. | |||
| Trombone Quartet | Washington Post | Sousa | 4 | Warwick | |||