| Op. 876 | A Song for Ab and Pooh (2010) for Trumpet and Optional Improvising Piano |
| Op. 857 | A Trip to the Sky (2009) for Any Solo or Combination of Instruments |
| Op. 1258 | Abyss (2018) for Bass Clarinet and Piano |
| Op. 407 | All Things Came to Be (2002) for Organ and Handbells (8 bells, 4 ringers) |
| Op. 270 | Antics (2001) for Oboe and Piano |
| Op. 471 | Aquarius Chaconnes (Birthday Music for Marisa) (2002) for Viola and Organ |
| Op. 482 | Aria: Caritas abundat in omnia (2002) for English Horn and Organ |
| Op. 137 | Ascendit in Caelum (1999, rev. 2002) for Violin and Organ |
| Op. 758 | Autumn Songs (2008) for Trumpet and Piano |
| Op. 656 | Autumn Sun Canticle (2005) for Trumpet and Piano |
| Op. 86 | Barnyard Episodes: Sonata for Contrabassoon and Piano (1998) for Contrabassoon and Piano |
| Op. 1166 | Bells for Pauline (2016) for Chimes (Tubular) and Clarinet |
| Op. 798 | Big Blue House (2008) for Flugelhorn and Piano |
| Op. 399 | Blue Glimmers (2002) for Flute, Clarinet, Contrabass |
| Op. 719 | Brass Quintet (2007) for Brass Quintet |
| Op. 324 | Brightnesses (2001) for Flute and Organ |
| Op. 510 | Canalscape: Soliloquy for String Quartet (2003) for String Quartet |
| Op. 974 | Canopache (2012) for Native American Flute and Drone |
| Op. 895 | Cantique (2010) for Violin and Piano |
| Op. 1102 | Cantique (2010/15) for Piano Trio |
| Op. 582 | Canzona (2004) for Horn Sextet |
| Op. 1086 | Canzona da camera (2014) for Traverso, Baroque Violin, Viola, Cello, and Harpsichord |
| Op. 1249 | Canzone (2017) for Bassoon and Organ |
| Op. 776 | Cavatina (2008) for Viola and Piano |
| Op. 200 | Celestial Meditations (2000) for Organ and Brass Choir (3 Trumpets [1 C/2 Bb], 3 Horns, 2 Trombones, Tuba) or Organ, Brass Choir, and Timpani (3 Trumpets [1 C/2 Bb], Horn, 2 Trombones, Euphonium, Tuba) [2005 version] |
| Op. 600 | Cerulean: Double Percussion Concerto (2005) for Two Solo Percussionists and Ensemble |
| Op. 796 | Chorale and Courante (2008) for Trumpet and Contrabass |
| Op. 1073 | Concertino Foko (2014) for Organ, Brass Choir (2.3.3.1), Timpani, and Percussion (1) |
| Op. 242 | Concertino for Three (2001) for Flute, Oboe, Bassoon |
| Op. 678 | Concerto for Bass Trombone and Six Players (2006) for Solo Bass Trombone and Ensemble |
| Op. 1136 | Cones of Silence (Chorales and Diversions) (2016) for Flugelhorn, Euphonium, and Tuba |
| Op. 802 | Coskata Dreaming (2008) for Bass Trombone and Piano |
| Op. 154 | Crucifixus (1999) for Clarinet and Organ |
| Op. 403 | Dances of the Holy Fool: Sonata for Alto Saxophone and Piano (2002) for Alto Saxophone and Piano |
| Op. 366 | Dark December: Ignis Dei (2002) for Flute, Clarinet, Violin, Cello, Vibraphone, Piano |
| Op. 610 | Dawn Rituals (2005) for Flute Quartet |
| Op. 677 | December Song (2005) for Violin and Piano |
| Op. 1543 | Deleted Scene (2024) for Alto Horn and Piano |
| Op. 85 | Dentistry Music (1998) for Flute and Piano |
| Op. 581 | Dionis Dreaming (2004) for Two Guitars |
| Op. 453 | Dionis Dreaming (2002) for Mandolin and Guitar |
| Op. 185 | Divertimento (2000) for Contrabassoon and Piano or Tuba and Piano |
| Op. 907 | Double Duet (2011) for Two Groups of Instruments |
| Op. 631 | Duet Suite (2005) for Two Like Saxophones (young performers) |
| Op. 922 | Duo for Trumpet and Harmonium (2011) for Trumpet and Harmonium |
| Op. 813 | Elegies (2009) for Two Horns |
| Op. 1565 | Embrace (2024) for String Quartet |
| Op. 1569 | Embrace (II) (2024) for String Quartet |
| Op. 306 | Enchanted Gardens (2001) for Cello and Piano |
| Op. 474 | Enchanted Pathways: Concerto for Horn and Ensemble (2002) for Solo Horn and Ensemble |
