Among the repertoire for the standard string sextet (2 violins, 2 violas, and 2 cellos) are the following works:
Ordering is by surname of composer.
Afanasyev, NikolaiString SextetBarvinsky, VassilyString Sextet (1914)Berezovsky, NikolaiString sextet No.1String sextet No.2Borodin, AleksandrString Sextet in D MinorBrahms, JohannesString sextet No.1 in B-flat major, Op. 18, (1860)String sextet No.2 in G major, Op. 36 (1864-1865)Bridge, FrankString sextet in E-flat major (1906-1913)Davidov, AlexeiString sextet in E flat major Op.12Davydov, KarlString Sextet Op.35 (1879)Antonín DvořákString Sextet A major Op. 48, (B. 80) (1878)Gade, NielsString Sextet, Op.35Geviksman, VitaliString sextet (1960)Glière, ReinholdString sextet No.1 Op.1 (1900)String sextet No.2 Op.7 (1902)String sextet No.3 Op.11 (1904)Glass, LouisString Sextet, Op.15Holbrooke, JosephString Sextet, Op.43Indy, Vincent d'Sextet for Strings, Op.92Kapp, ArturString sextet (1951)Koessler, HansString Sextet in F MinorKorndorf, NikolaiMozart Variations for string sextet (1990)Ledenev, RomanElegiac Sextet for strings Op.30 (1982)Lewandowsky, MaxString Sextet Op.5 in C minorMozart, Wolfgang Amadeus:Grande Sestetto ConcertanteRääts, JaanString sextet Op.98 (1997)Reger, MaxString Sextet Op.118Rimsky-Korsakov, NikolaiString sextet in A major (1876])Rubinstein, AntonSextet for strings in D major Op.97 (1876)Schoenberg, ArnoldVerklärte Nacht (or Transfigured Night), Op. 4, (1899)Stanchinsky, AlekseiSextet for stringsStrauss RichardSextet for strings from the opera CappriccioStanlein, Comte de, LouisString Sextet Op.20 in G majorTchaikovsky, PyotrSouvenir de Florence for string sextet Op.70 (1890)Vasks, PēterisSpring Sonata for string sextet (1987)Graham WaterhouseString Sextet, Op. 1 (1979/2013)Wilm, Nikolai vonString sextet Op.27