Duet for Horn and Piccolo, Op. 294
Duet for Horn and Cello, Op. 295
Duet for Clarinet and Horn No. 2, Op. 291
Duet for Double Bass and Violoncello, Op. 290
Duet for Horn and Viola, Op. 289
Duet for Horn and Trombone, Op. 288
SiSoDu (Simple Sonata Duet) for Trumpet and Horn, Op. 203 v.3
Bozeman Duets for Horn and Bassoon, Op. 243
Mandala No. 4 for Horn and Violin, Op. 163
Duet in Retrograde for Horn and Oboe, Op. 142b
Duet for Flute and Horn "Rupavati", Op. 108
Suite in D for Violin and Horn, Op. 72
Duo "The Holy Fountain" for Horn and Double Bass, Op. 54: 1. Were There Such As Stillness
Duo "The Holy Fountain" for Horn and Double Bass, Op. 54: 2. Piece By Piece the Fragments Fall
Duo "The Holy Fountain" for Horn and Double Bass, Op. 54: 3. Serene Upon the Tide
Duo "The Holy Fountain" for Horn and Double Bass, Op. 54: 4. What Hidden Waves Wash Unbeknown
Duo "The Holy Fountain" for Horn and Double Bass, Op. 54: 5. A Holy Fountain Rises Here
November for Two Oboes, Op. 50b
Duet for Clarinet and Horn No. 1, Op. 35
A Puff of Smoke for Flute, Horn and Drum Set, Op. 17
Spectrum II an Improvisation for Horn and Bassoon, Op. 2a
Huber Suite No. 1 for Horn and Violoncello (1978) Pre-Opus-Hu
Essay for horn and Bassoon (1978) Pre-Opus-Es