| Composer | Piece | Instrumentation | Difficulty | Duration | Recordings |
| Abbasi, Anahita | Elixir (Night and Mystery) | Tuba, trombone, and baritone voice | 8:00 | SD library | |
| Abbasi, Anahita | Living Ice | Trombone, Oboe, Violin, Electronics, Video | 15:00 | ||
| Abbot, Katy | Midnight Songs | Trombone, flugel horn, acoustic guitar + loop pedals and delay | Advanced | 26:20 | Spotify |
| Abbot, Katy | UndercurrenT II | Trombone, trumpet, electric guitar | Advanced | 10:00 | Spotify |
| Abramo Acuna, Fatima | Flores de Loto | Trombone quartet | Intermediate | 5:10 | youtube |
| Abramo Acuna, Fatima | Pequeña Suite para duo de trombones y piano | Trombone duet and piano | |||
| Abramo Acuna, Fatima | Trazos del Sur | Trombone octet | 4:48 | youtube | |
| Apon, Saskia | 1st Trombone Quartet | Trombone quartet | Advanced | 8:37 | youtube |
| Apon, Saskia | Dioscuri | trombone quartet | Advanced | 10:00 | spotify |
| Apon, Saskia | Oh, Boys | Trombone quartet | Intermediate | 3:39 | youtube |
| Appledorn, Mary Jean van | Atmospheres | Trombone choir | 5:23 | discogs | |
| Appledorn, Mary Jean van | Miniatures | Trombone quartet | Advanced | soundcloud | |
| Appledorn, Mary Jean van | Trio Italiano for trumpet, horn and bass trombone | Brass trio | Advanced | 11:19 | spotify |
| Beglarian, Eve | In and Out of the Game | Trombone quartet and sound | Advanced | 5:22 | youtube |
| Bernofsky, Lauren | Passacaglia | Brass quintet or trombone quintet | Intermediate | 6:00 | soundcloud |
| Bernofsky, Lauren | Trio for Brass | Trumpet, Horn, Trombone | Advanced | 12:51 | youtube |
| Biol, Amparo Edo | Brass Therapy | Horn, Trombone, Tuba | Advanced | 5:50 | soundcloud |
| Bost-Sandberg, Lisa | Beyond Within | Solo tenor trombone and trombone octet | Pro | 10:33 | lisabost |
| Brazelton, Kitty | I Have Feelings I Shouldn’t Have (So Unreasonable) | Tenor and bass trombone duet | Advanced | ||
| Calvache, Carolina | Transitions | Tenor and bass trombone duet | Advanced | 4:45 | youtube |
| Candillari, Daniela | This Ten – Kopek Piece | Trombone duet | Advanced | 5:05 | youtube |
| Candillari, Daniela | Balkanika | Tenor and bass trombone duet | Advanced | 4:40 | youtube |
| Candillari, Daniela | Sonnet IX | Trombone choir (8 voices) | Intermediate/Advanced | 7:20 | soundcloud |
| Candillari, Daniela | Fanfare | Trombone choir (6 voices) | Intermediate/Advanced | 2:13 | youtube |
| Carmichael, Laura | Belly Songs | Trombone, baritone, trumpet, bass, perc | |||
| Caviani, Laura | Toccata | Brass trio and piano | Intermediate/Advanced | 3:39 | spotify |
| Ceulemans, Iris | 2020 | Trombone choir (8 voices) | Advanced | 5:24 | youtube |
| Chamberlain, Nicole | Wail | Trombone and flute | Advanced | 9:00 | soundcloud |
| Charnigo, Julianna Horton | Quartet No. 1 | Trombone quartet | |||
| Clarke, Sabrina | A dark place is not a dark place | Trombone quartet | Advanced/Pro | 7:14 | soundcloud |
| Cox, Cindy | Coriolis | Trombone, trumpet and piano | 10:00 | ||
| Cutler, Zoe | Beethoven? | Trombone choir (6 voices) | Advanced | 3:00 | zoecutler.com |
| Cutler, Zoe | 3 Sad Songs | Trombone quartet | Intermediate/Adanced | 11:00 | zoecutler.com |
| Cutler, Zoe | Twenty Tricky Tunes | Trombone duets | Advanced | zoecutler.com | |
| Davis, Elizabeth Skola | Summer Salmagundi | Brass trio | Advanced | 3:37 | sheetmusicplus |
| Damon, Sherri Marcia | Three African American Spirituals | Trumpet, horn, trombone | Intermediate | 8:10 | spotify |
| Davis, Sharon | Merrie English Love Songs | Trombone and woman’s voice | Advanced | ||
| Diemer, Emma Lou | A Little Light Music | Trumpet, horn, trombone | |||
| Diemer, Emma Lou | The Answered Question | Trumpet, trombone and piano | 8:45 | youtube | |
| Diemer, Emma Lou | Quartet for horn, trumpet, trombone and piano | Trumpet, horn, trombone and piano | Intermediate/Advanced | 13:00 | youtube |
| Diemer, Emma Lou | Fanfare and Variations on “Antioch” | Trumpet, horn, trombone | 5:00 | spotify | |
| Dinescu, Violeta | Contraste | Trombone quartet | |||
| Dinescu, Violeta | Elogium | Trombone and trumpet | |||
| Dowlin, Nancy | Love Song Without Words | Trombone and guitar | osborne-conant | ||
| Dowlin, Nancy | River Suite | Trombone and guitar | osborne-conant | ||
| Dunker, Amy | Along the Wasatch Mountain Range | Trombone quartet | Intermediate | 3:20 | apimusic |
| Dunker, Amy | Slide Area | Trumpet and trombone | Advanced | 4:00 | amydunker.com |
| Dunker, Amy | This Magnificent Earth | Trombone Choir (6 voices) | Intermediate/Advanced | 6:19 | youtube |
| Dunker, Amy | Trio Music for Trombones | Trombone trio | |||
| Dunker, Amy | When There Are Nine | Trombone Choir (6 voices) | Intermediate/Advanced | 3:30 | youtube |
| Escalzo Robles, Noelia | Contratango | Trombone and bass trombone | youtube | ||
| Escalzo Robles, Noelia | La Escueta | Trombone Quintet | |||
| Escalzo Robles, Noelia | Low Low Tango | Two Bass Trombones | 2:15 | soundcloud | |
| Escalzo Robles, Noelia | Milonga Nacional | Trombone Octet | 4:15 | soundcloud | |
| Escalzo Robles, Noelia | Trumborera | Trombone Octet | soundcloud | ||
| Escalzo Robles, Noelia | Viento Sur | Trombone Quartet | Advanced | 15:04 | youtube |
| Escalzo Robles, Noelia | Without Borders | Two tenor trombones, one bass trombone | |||
| Fabianska-Jelinska, Ewa | Amnesia for Trombone Quartet | Trombone quartet | Advanced | 9:30 | youtube |
| Fabianska-Jelinska, Ewa | Chorale I for trombone quartet | Trombone quartet | Intermediate/Advanced | 4:56 | youtube |
| Fabianska-Jelinska, Ewa | ConcertaRE for trombone quartet and piano | Trombone quartet and piano | 7:00 | ||
| Fabianska-Jelinska, Ewa | Fanfara for trombone octet | Trombone octet | Advanced | 2:00 | |
| Fabianska-Jelinska, Ewa | Meditation I | Clarinet, trombone, double bass, piano | Advanced | 7:08 | youtube |
| Fabianska-Jelinska, Ewa | Suita Dell’arte | Trombone quartet | 6:15 | ||
| Fabianska-Jelinska, Ewa | Preludium i Taccatina | Viola and Trombone | Advanced | 6:30 | youtube |
| Figueroa Mañas, Adriana Isabel | Fantasy in Tango Mode | Trombone Sextet | |||
| Figueroa Mañas, Adriana Isabel | La Banda de la Plaza | Trombone octet | |||
| Figueroa Mañas, Adriana Isabel | Lands of Peace, Winds of Freedom, and Magic Dreams | Trumpet, horn and trombone | |||
| Figueroa Mañas, Adriana Isabel | Three Chorals for Brass Trio | Trumpet, horn and trombone | Intermediate | 11:30 | spotify |
| Flagello, Gala | Shadow Song | Trombone and Horn | Advanced | 3:00 | youtube |
| Gartenlaub, Odette | Tubulaire | Octet for 4 trumpets and 4 trombones | |||
| Gates, Dorothy | Between Friends | Trumpet, horn, and trombone | Advanced | 7:00 | soundcloud |
| Gates, Dorothy | Dead Leaves | Trombone choir | Intermediate | 2:27 | soundcloud |
| Gates, Dorothy | Shaken, Not Stirred | Trombone quartet | Advanced | 3:39 | soundcloud |
| Gillie, Gina | Brass Trio | Trumpet, horn and trombone | Intermediate/Advanced | 12:00 | youtube and youtube |
| Gillie, Gina | Mountain Ascent | Trombone octet | Advanced | 10:00 | youtube |
| Gillie, Gina | Scenes from the Bayou | Trumpet, horn, and trombone | Advanced | 12:00 | youtube |
| Gillie, Gina | Whimsy | Horn, Trombone and Piano | Advanced | 4:00 | youtube |
| Ginsberg, Elaine Broad | Fantasy on Scottish Melody | Trombone Octet | Intermediate | 4:15 | |
| Green, Hannah | Compass | Trumpet, Horn, Trombone, Tuba | Intermediate/Advanced | ||
| Gurin, Shelley Foster | Fanfare for 8 Trombones | Trombone octet | Intermediate | 2:54 | youtube |
| Gurin, Shelley Foster | Interleague Action | Tuba and trombone | |||
| Gurin, Shelley Foster | Wisdom | Trombone and tenor voice duet | Advanced | 1:42 | sfgmusic |
| Herryman Rodriguez, Ivette | Adagio Y Danza | Trombone, trumpet and horn | Advanced | 9:00 | youtube and youtube |
| Higdon, Jennifer | Low Brass Concerto | Low Brass section and Orchestra | Advanced | ||
| Jolley, Jennifer | Foot Tapping Song | Trumpet, horn, trombone | Advanced | 3:00 | youtube |
| Kraft, Ashley | Love While You May | Trombone and Soprano | youtube | ||
| Krumwiede, Nikki | Songs of the Sea: Last Sight of Land, Widowed, Finitude | Trombone, soprano, and piano | Intermediate | 13:44 | youtube |
| Lam, Bun-Ching | Nachtgesange | Soprano, Trombone, Sax, Percussion, Koto | 10:00 | spotify | |
| Lam, Bun-Ching | Similia/Dissimilia | Trombone and 5-string electric violin | 17:00 | ||
| Lane, Liz | Bright Lights | Trombone quartet | 2:00 | ||
| Lane, Liz | Call | Trumpet, horn, trombone | |||
| Lane, Liz | Canzon a 8 | Trombone octet | |||
| Lane, Liz | Serenata | Trombone quartet | 3:00 | youtube | |
| Larsen, Libby | Bronze Veils | Trombone and 2 percussion | Pro | 11:45 | youtube |
| Larsen, Libby | Mary Cassatt | trombone, piano and soprano | Advanced | 30:00 | youtube |
| Leach, Molly | Lord Flame | Trombone quartet | Advanced | 3:35 | |
| Lee, Lillian | The First Six | Trumpet, Horn, Trombone | |||
| Lee, Madeline A. | Echoes in Eternity | Trombone octet | Advanced | 6:23 | youtube |
| Lee, Madeline A. | It Begins in the Dark | Trombone Octet | Advanced | 7:30 | youtube |
| Lee, Madeline A. | La Cathédrale | Trombone Octet | Advanced | 9:00 | youtube |
| Lee, Madeline A. | Nyiri Sky | Solo tenor and bass trombone with trombone octet | Advanced | 8:00 | youtube |
| Loudova, Ivana | Cassazione per 4 trombe,4 tromboni e tuba, | 4 trumpets, 4 trombones, tuba | 2:00 | ||
| Loudova, Ivana | Mattinata per clarinetto, trombone, violoncello e piano | Trombone, clarinet, cello, piano | 5:00 | ||
| Loudova, Ivana | Musica festiva per tre trombe e tre tromboni | 3 trumpets and 3 trombones | Advanced | 10:00 | youtube |
| Lund, Gudrun | Five Girls I know | Trumpet and trombone | |||
| Lund, Gudrun | 3 Songs about Life and Death | mezzo, trombone and organ | |||
| Lund, Gudrun | Relations , for trombone and wind quintet (flute, oboe (also cor anglais), clarinet, bassoon, horn), op. 39 | trombone and wind quintet | |||
| Lund, Gudrun | Trio Sonata with Baroque Impact | trumpet, trombone and organ | Advanced | soundcloud | |
| Lutyens, Elisabeth | Fanfare for a Festival | Three trumpets, three trombones | Advanced | 4:00 | youtube |
| Magin, Carrie | Coffee Stained | Bass Trombone, Piano and Narrator | Advanced | 1:30 | soundcloud |
| McComas, Inez | Descending into Light | Trombone and alto saxophone | Pro | 9:30 | spotify |
| McComas, Inez | The Glitch in the System | Clarinet, tenor sax, and trombone | 2:50 | ||
| McComas, Inez | Shipping | trombone, saxes, piano, bass, recorded sound and dancers | Advanced | 6:20 | imcomposed |
| McComas, Inez | Spinner | trombone quartet and recorded sound | Advanced | 9:42 | spotify |
| McComas, Inez | The Middle Pigeons | trombone, tuba and recorded sound | Advanced | 7:15 | spotify |
| McCullough, Amanda | After Six | Trumpet, trombone and piano | |||
| McTee, Cindy | Fanfare for Trombones | Trombone duet or ensemble | 2:47 | youtube | |
| Mitchell, Jen | Bamboo Blossom | Trombone, harp and percussion | |||
| Mitchell, Jen | Fanfare to Artemis for trumpet, horn and trombone | Brass trio | Advanced | ||
| Mitchell, Jen | In Memory of Jerry | Trombone quartet | |||
| Mitchell, Jen | Last Breath | Trombone octet | Intermediate/Advanced | 6:20 | youtube |
| Mitchell, Jen | Pneuma | Trombone, vibraphone and double bass | |||
| Mitchell, Jen | Red Silk Shawl | Trombone trio | |||
| Mitchell, Jen | Under the Killing Moon | Bass trombone, violin and marimba | |||
| Mixter, Mary | Location, Location, Location | Two trombones or trombone and horn | 7:30 | ||
| Monteon, Paulina | Vida de dos | Tenor and Bass Trombone | Advanced | 6:00 | |
| Morlock, Jocelyn | Sequoia | Trombone octet and percussion | Advanced/Pro | 10:00 | soundcloud |
| Munn, Zae | Cascade | Trombone, Alto Sax, Trombone | Advanced | 7:15 | soundcloud |
| Munn, Zae | No Longer Suitable for Framing | clarinet and trombone | Advanced | 8:30 | soundcloud |
| Mutter, Sue | A Trip Through the Pandemic…And Out the Other Side | Trombone quartet | Advanced | ||
| Nazayakinskaya, Polina | Pavana | Trombone quartet/Trombone choir | Advanced | 7:30 | facebook and soundcoud |
| Netzer, Osnat | Are You Yet Living? | trombone and tenor sax | Pro | 11:00 | oznatnetzer.com |
| Nielson, Mette | (New Piece) | Trombone, bassoon, double bass | |||
| Nikunen, Annie | Our Future Histories in Real Time | Trumpet, Horn, Trombone | |||
| Norderval, Kristin | Elegy: for Gaza | Soprano, violin, trombone, accordion and sampler | Pro | 9:29 | soundcloud |
| Norderval, Kristin | A Remarkable Failure | Recorded narrators, soprano, trombone, and digital audio | |||
| Ogden, Allison | Monochrome | trombone quartet | |||
| Oh, Seung-Won | Dark Blue Horizon | Trombone, trumpet and piano | 10:00 | ||
| Oh, Seung-Won | Modular 2 | Oboe, Trombone, Harp and Percussion | Pro | 13:35 | youtube |
| Oh, Seung-Won | Music of Celestial Harmony | Trombone and 5 voices | Advanced | 15:00 | seungwonoh.org |
| Oh, Seung-Won | Non-Duet | Solo bass trombone and solo percussion | Pro | 16:00 | seungwonoh.org |
| Oliveros, Pauline | Epigraphs in the Time of Aids | Accordion, Trombone, Keyboard, Long String Instrument and Expanded Instrument System | Advanced | 23:00 | youtube |
| Oliveros, Pauline | Red Shifts | trombone, oscillators and white noise | |||
| Orwoll, Gillian | From Tripoli to Morocco | Trumpet, Horn, Trombone | Advanced | 10:50 | youtube |
| Page, Carrie Leigh | UnaMuse(d) | trombone quartet | |||
| Piunno, Nicole | All the Skies Above | trombone choir | Intermediate/Advanced | 8:08 | nicolepiunno.com |
| Piunno, Nicole | In the Secret Places | Tenor trombone, bass trombone and piano | Advanced | 9:20 | nicolepiunno.com |
| Piunno, Nicole | War of Peace | Trombone quartet | Advanced | ||
| Poe, Lara | Contradense | Flute, Clarinet, 2 bassoons, 2 trumpets, trombone, bass trombone | Intermediate | 4:56 | soundcloud |
| Purrington, Hilary | Events and their Horizons | trombone quartet | Advanced | 16:00 | hilarypurrington.com |
| Raum, Elizabeth | Around the Bend | Trombone and trumpet | Advanced | 3:00 | cherryclassics.com |
| Raum, Elizabeth | The Bushwakker Six Pack | Trumpet, Trombone and piano | Intermediate/Advanced | 17:00 | soundcloud |
| Raum, Elizabeth | Canzoni di Natale | Trumpet, trombone, horn, violin and organ | Intermediate | 12:00 | soundcloud |
| Raum, Elizabeth | Diversions | Trombone quartet | Intermediate | 10:00 | elizabethraum.com |
| Raum, Elizabeth | Flights of Fancy | Trombone, Clarinet, Piano | Advanced | 12:00 | elizabethraum.com |
| Raum, Elizabeth | Four Elements | Violin and Bass Trombone | Advanced | 12:00 | youtube |
| Raum, Elizabeth | Passacaglia Interruptus | Two tubas, 6 trombones | Intermediate | 7:20 | youtube |
| Raum, Elizabeth | Prelude to Parting | Trombone, Violin, and Tape | Advanced | 14:00 | elizabethraum.com |
| Raum, Elizabeth | Processional Fanfare | trombone quartet | Intermediate | 3:00 | youtube |
| Raum, Elizabeth | Quartet for Brass | Two trumpets, two trombones | Intermediate/Advanced | 14:00 | cherryclassics.com |
| Raum, Elizabeth | Quintet for trombones | trombone quintet | Intermediate | 3:21 | cherryclassics.com |
| Raum, Elizabeth | Relationships | Horn, Bass Trombone, Tuba | Intermediate/Advanced | 11:00 | youtube |
| Raum, Elizabeth | Spanish Overture | Clarinet, Trombone and Piano | 8:00 | ||
| Regent, Alyssa | Spindle, Shuttle and Needle | Trumpet, Horn, Trombone | Intermediate | 3:30 | youtube |
| Reit, Alyssa | The Emperor’s New Clothes | narrator, harp, trombone, percussion | Intermediate | 35:00 | |
| Richter, Marga | One for Two and Two for Three | Trombone Duet and Trombone Trio | 5:00 | ||
| Ross, Elaine | The Purple Heart | Trombone, horn and piano | |||
| Rueff, Jeanine | 2 Pieces Breves | Trombone quartet | |||
| Rusconi, Michele | Aus-lo-ten | Trombone, harp, and tape | 14:30 | ||
| Salfelder, Kathryn | Fanfare and Fugue | Trombone quartet | Advanced | 5:00 | |
| Schwendinger, Laura Elise | Three’s a Crowd | Brass trio (trumpet, trombone and tuba) | 3:16 | ||
| Sheeran, Amber | In the Woods of Baskerville | Trombone Choir | Advanced | 4:12 | youtube |
| Shields, Alice | Fanfare | two trumpets and two trombones | 5:00 | ||
| Silverman, Faye-Ellen | Dialogue Continued | horn, trombone and tuba | Intermediate | 9:30 | youtube |
| Silverman, Faye-Ellen | From Sorrow | trumpet, horn, and bass trombone | 10:30 | ||
| Sleeman, Anita | Capriccio for trombone, violin and orchestra | trombone, violin and orchestra | Advanced | 8:25 | |
| Sleeman, Anita | Fanfares canons and fuges | Two trumpets, horn, trombone | 9:00 | ||
| Spencer, Williametta | Trio for Brass Instruments | Brass Trio | |||
| Stahl, Sonya Leonore | Song of the Rose | trombone octet | Intermediate | 3:40 | youtube |
| Steiner, Gitta | Duo for trombone and percussion | trombone and percussion | |||
| Street, Karen | Jubilate | Trombone quintet | Advanced | ||
| Strickland, Shanyse | A BOP – Beats of Power! | Trumpet, horn, trombone | Advanced | 6:00 | youtube |
| Takashima, Keiko | Beyond the Sandy Hill | Trombone quartet | 11:40 | youtube | |
| Takashima, Keiko | Crossing Paths | Trombone quartet | Intermediate | 2:20 | |
| Takashima, Keiko | Hear the Spring Calling | Two bass trombones and piano | Intermediate | 12:30 | youtube |
| Takashima, Keiko | Memories | Trombone Quartet | Intermediate/Advanced | 8:45 | spotify |
| Takashima, Keiko | Miharu again | Trombone duo and piano | 5:00 | ||
| Takashima, Keiko | Passepied | Trombone quartet | Intermediate/Advanced | 5:00 | youtube |
| Takashima, Keiko | Poems of the Four Seasons | Trombone quartet | Intermediate/Advanced | 13:00 | youtube |
| Takashima, Keiko | Square Dance | Trombone quartet | Intermediate | 4:00 | youtube |
| Takashima, Keiko | Songs of Home | Trombone quartet | Intermediate | 5:00 | soundcloud |
| Takeshima, Keiko | Suite “Dogwood Prayer” | Trombone quartet | Intermediate/Advanced | 14:50 | youtube |
| Takashima, Keiko | Three Ancient Capitals | Trombone quartet | Intermediate | 12:00 | youtube |
| Takashima, Keiko | Yuyake Koyake Children’s Song | Trombone quartet | Intermediate | 3:45 | youtube |
| Tarrodi, Andrea | I Augusti, Sensommar | Trombone, piano and bandoneon | Pro | 6:00 | andreatarrodi |
| Thomas, Augusta Read | Fête – A Fanfare | 6 trumpets, 3 trombones | Advanced | 4:30 | |
| Tower, Joan | Fanfare for the Uncommon Woman No. 5 | Trombone quartet | Advanced | 3:25 | youtube |
| Tower, Joan | Elegy | Trombone and string quartet | Advanced | 8:50 | soundcloud |
| Varga, Judit | Puzzle (Black Hole Edition) | Trombone octet | Advanced | 8:00 | soundcloud |
| Victorino de Almeida, Anne | Anamnese | 5 trombones, euphonium, tuba, piano | Advanced | 8:26 | youtube |
| Walker, Gwyneth | Hymns and Spirtuals | Trumpet, horn and trombone | Intermediate | 11:00 | gwynethwalker |
| Wallen, Errollyn | Brukdown | Trombone quartet | Advanced | 2:28 | youtube |
| Webb, Orianna | Three Studies: For Trumpet, Trombone and Piano | Trumpet, trombone and piano | Advanced | soundcloud | |
| Weir, Judith | Musicians Wrestle Everywhere | Flute, oboe, bass clarinet, horn, trombone, piano, cello, double bass | Advanced | 13:00 | youtube |
| Weir, Judith | Psalm 148 | Trombone and SATB choir | Intermediate | 6:00 | youtube |
| Wiemann, Beth | Wail and Wheeze | Bass Clarinet, Trombone, and Tuba | |||
| Wiemann, Beth | When Silly Bees Could Speak | Baritone, bass clarinet, trumpet, and trombone | Advanced | 3:54 | soundcloud |
| Wildman, Leslie | In Gold Sandals | Trombone and soprano | |||
| Wildman, Leslie | Love Me Still | Trombone and soprano | |||
| Wildman, Leslie | Miz B Goes Dancing | Trombone and percussion | |||
| Wolters, Anneloes | Willem de Zwijger | Trombone Choir (6 parts) | Advanced | 5:22 | anneloeswolters |
| York, Barbara | Nocturne | Trombone quartet | Intermediate | 7:20 | midi |
| York, Barbara | Personalities | Euphonium (trombone), Horn, Tua | Intermediate | cimarron | |
| Yurina, Ludmila | Waterdreams | Trombone, Sax, Video, Percussion | 11:00 | ||
| Yurina, Ludmila | Trombone, percussion, piano and doublebass | 10:11 |
For Brass Quintets, please see Lynn Folk Baird’s wonderful resource here
Trombone Compositions by Women Composers 