Work: Duo
Composer: Loong-Hsing Wen (1949–)
Work: Duo for Violin and Piano
Composer: Ezra Laderman (1924–2015)
Work: Duo Sonata for Clarinet and Bass Clarinet, Op. 15
Composer: Gunther Schuller (1925–2015)
Work: Duo Concertante, Op. 351
Composer: Darius Milhaud (1892–1974)
Work: Duo Fur Mandoline Und Guitarre, Op. 85
Composer: Norbert Sprongl
Work: Duo de los Paraguas
Composer: Anonymous
Work: Chaconne and Interludes
Composer: Reginald Smith Brindle (1917–2003)
Work: Duo for Violin and Cello
Composer: Erwin Schulhoff (1894–1942)
Work: La rosa del azafrán: Duo
Composer: Jacinto Guerrero (1895–1951)
Work: Caprice No. 1
Composer: Behzad Ranjbaran (1955–)
Work: El dúo de La africana: Selection
Composer: Manuel Fernández Caballero (1835–1906)
Work: Duo for Flute and Percussion
Composer: Peter Child
Work: Duo for Oboe and Bassoon
Composer: George Rochberg (1918–2005)
Work: Der Roland von Berlin: Duo Idylle
Composer: Ruggero Leoncavallo (1857–1919)
Work: Nouveau livre de noëls, Op. 2: 10. Noël X, Grand jeu et Duo
Composer: Louis-Claude Daquin (1694–1772)
Work: Duo for Flute and Piano
Composer: Aaron Copland (1900–1990)
Work: Duo for Flute and Oboe, Op. 13
Composer: Alberto Ginastera (1916–1983)
Work: Duo for Alto Saxophone and Piano
Composer: Walter S. Hartley (1927–2016)
Work: Duo in A Major, Op. 54, No. 1
Composer: Franz Krommer (1759–1831)
Work: Duo for Violin and Viola, Op. 66
Composer: Alexander Goehr (1932–2024)
Work: Concertino for Guitar Duo
Composer: Nikita Koshkin (1956–)
Work: Knocking Piece
Composer: Ben Johnston (1926–2019)
Composer: Marc Neikrug (1946–)
Work: Duo for Violin and Viola in G Major, K. 423
Composer: Wolfgang Amadeus Mozart (1756–1791)
Work: Forty-four Duos, BB 104, Vol. 4: 42. Arab dal (Arabian Song)
Composer: Béla Bartók (1881–1945)
Work: Cello Duo No. 2
Composer: Friedrich August Kummer (1797–1879)
Work: Cello Duo No. 1
Work: Duo for Flute and Viola in G Major
Composer: Franz Anton Hoffmeister (1754–1812)
Composer: David Soldier (1956–)
Work: Duo for Cello and Piano
Composer: Arthur Berger (1912–2003)
Work: Forty-four Duos, BB 104, Vol. 2: 21. Újévköszönto I (New Year’s Greeting I)
Work: Forty-four Duos, BB 104, Vol. 2: 22. Szúnyogtánc (Mosquito Dance)
Work: Forty-four Duos, BB 104, Vol. 1: 10. Rutén nóta (Ruthenian Song)
Work: Forty-four Duos, BB 104, Vol. 1: 6. Magyar nóta I (Hungarian song I)
Work: Thaïs: Act III. Baigne d’eau mes mains’
Composer: Jules Massenet (1842–1912)
Work: Percussion Duo
Composer: Charles Wuorinen (1938–2020)
Work: Liusa Fernanda: Duo de Carolina y Vindal
Composer: Federico Moreno Torroba (1891–1982)
Work: Duo Ye
Composer: Chen Yi (1953–)
Work: La Reina Mora: Duo De Coral Y Esteban
Composer: José Serrano (1873–1941)
Work: Duo Chant
Composer: Lanny Meyers (1956–)
Work: Duo For Two Violins
Composer: Christian Wolff (1934–)
Work: Duo in C Major, WoO 27, No. 1 (c. 1810 - 1815)
Composer: Ludwig van Beethoven (1770–1827)
Work: Duo Concertant, Op. 25
Composer: Mauro Giuliani (1781–1829)
Work: Sonata in C Major, D. 812, "Grand Duo"
Composer: Franz Schubert (1797–1828)
Work: El dúo de La africana: Comprende lo grave de mi situación
Work: Duo Seraphim
Composer: Lodovico Viadana (–1627)
Work: Forty-four Duos, BB 104, Vol. 3: 33. Aratáskor (Harvest Song)
Work: Duo for Violin and Cello, Op. 7
Composer: Zoltán Kodály (1882–1967)
Work: Forty-four Duos, BB 104, Vol. 3: 36. Szól a duda (Bagpipes)
Work: Forty-four Duos, BB 104, Vol. 2: 25. Magyar nóta II (Hungarian song II)
Work: Duo for Flute and Piano: 3. Lively, with bounce
Work: Duo per Violino e Violoncello
Composer: Giacinto Scelsi (1905–1988)
Work: Duo for Clarinet and Piano
Composer: David Winkler (1948–)
Work: Grand Duo Concertant in E-flat Major, Op. 48
Composer: Carl Maria von Weber (1786–1826)
Work: Duo concertant: 5. Dithyrambe
Composer: Igor Stravinsky (1882–1971)
Work: Sonata for Violin and Piano in A Major, D. 574, "Duo"
Work: Duo seraphim clamabant
Composer: Tomas Luis de Victoria (1548–1611)
Work: Forty-four Duos, BB 104, Vol. 2: 19. Mese (Fairy Tale)
Composer: Robert Helps (1928–2001)
Work: Duos Nocturnes, Op. 189: 2. Notturno in G Major
Composer: Ferdinando Carulli (1770–1841)