Adler, Samuel. Four Dialogues for Euphonium and Marimba. New York: Carl Fischer, 1978.
Brown, Eliza. The Subtler Arts of Lions. Eliza Brown, 2016.
(F and CC tubas)
Cage, John. Atlas Eclipticalis. New York: C.F. Peters Corp., 1961.
(variable, includes three separate tuba parts)
Feldman, Morton. Durations III. New York: C.F. Peters Corp., 1962.
(tuba, violin, piano)
Feldman, Morton. Vertical Thoughts 5. New York: C.F. Peters Corp., 1963.
(tuba, celesta, violin, soprano, percussion)
Gillingham, David. Diversive Elements. Greensboro, NC: C. Alan Publications, 2013.
(euphonium, tuba, and Piano)
Hartley, Walter S. Sextet. Annandale, VA: Tuba-Euphonium Press, 1994.
(solo euphonium and woodwind quintet)
Heiden, Bernhard. Variations for Solo Tuba and Nine Horns. New York: Associated Music, 1977.
Knox, Garth. Jonah and the Whale. Niedernhausen, DE: Edition Kemel, 2016.
(tuba, viola)
Nehlybel, Vaclav. Ludus. Irving, TX: Cimarron Music Press, 2006.
(tuba trio)
Ustvolskaya, Galina. Composition No. 1, “Dona Nobis Pacem”. Hamburg: Sikorski, 1993.
(tuba, piccolo, piano)
Xenakis, Iannis. Linaia-Agon. Paris: Editions Salabert, 1973.
(tuba, horn, trombone)
The Composer's Guide to the Tuba 