Work: 6 Songs, Op. 14: 6. Lullaby
Composer: George Whitefield Chadwick (1854–1931)
Work: 6 Pieces for Cello
Composer: Roger Sessions (1896–1985)
Work: Lieder ohne Worte, Op. 38: 2. Allegro non troppo
Composer: Felix Mendelssohn (1809–1847)
Work: Canciones amatorias: 6. Iban al Pinar
Composer: Enrique Granados (1867–1916)
Work: Symphony No. 6 in C Major, D. 589
Composer: Franz Schubert (1797–1828)
Work: 6 Lieder für eine Frauenstimme: 4. Wiegenlied im Sommer
Composer: Hugo Wolf (1860–1903)
Work: String Quartet No. 1, Op. 6
Composer: Ernst Krenek (1900–1991)
Work: 6 Songs, Op. 8: 2. Ditya kak tsvetok ti prekrasna (Child, thou art as beautiful as a flower)
Composer: Sergei Rachmaninoff (1873–1943)
Work: Concerto Grosso in E Minor, Op. 6, No. 3, HWV 321
Composer: George Frideric Handel (1685–1759)
Work: 6 Characteristic Pictures, Op. 50: 3. Barcarolle in G Minor
Composer: Anton Rubinstein (1829–1894)
Work: 6 Poems of Sylvia Plath
Composer: Aribert Reimann (1936–2024)
Work: String Quartet No. 6 in A Major, "Biscay": 2. Les Dunes: Andante mesto
Composer: John Blackwood McEwen (1868–1948)
Work: Die schöne Müllerin, D. 795: 6. Der Neugierige
Work: 12 Russian Folksongs, Op. 78: 6. The Prisoner
Work: 7 frühe Lieder: 6. Liebesode
Composer: Alban Berg (1885–1935)
Work: 12 melodier, Op. 33: 6. Eit syn
Composer: Edvard Grieg (1843–1907)
Work: 6 Lieder Im Freien zu singen, Op. 48: 3. Frühlingsfeier
Work: 6 Moments musicaux, D. 780: Moment musical No. 1 in C Major. Moderato
Work: 14 Bagatelles, BB 50: 14. Valse: ma mie qui danse. Presto
Composer: Béla Bartók (1881–1945)
Work: Mikrokosmos, Vol. 6: 6 Dances in Bulgarian Rhythm, BB 105, nos.148-153
Work: Gedichte von Eduard Mörike: 6. Er ist's
Work: Barcarolle No. 6 in E-flat Major, Op. 70 (c. 1895)
Composer: Gabriel Fauré (1845–1924)
Work: 12 études d’exécution transcendante, Op. 11: 6. La Tempête
Composer: Sergei Lyapunov (1859–1924)
Work: 6 Gesänge, Op. 19a: 4. Neue liebe
Work: 6 Gesänge, Op. 10: 2. Stille Sicherheit
Composer: Robert Franz (1815–1892)
Work: 6 digte, Op. 4: 2. Morgentau
Work: 6 Lieder, Op. 68
Composer: Richard Strauss (1864–1949)
Work: Sonata for Cello and Continuo No. 6 in A Major, G. 4: Adagio and Allegro
Composer: Luigi Boccherini (1743–1805)
Work: 6 Gesänge, Op. 17: 2. Ständchen (c. 1860)
Work: Spanisches Liederbuch, Geistliche Lieder: 6. Ach, des Knaben Augen
Work: 6 Lieder, Op. 23: 1. Was weinst du Blümlein
Composer: Clara Schumann (1819–1896)
Work: 6 Duets, Op. 11
Work: Quintet in A Major, Op. 14, No. 6 (c. 1780)
Composer: Carl Stamitz (1745–1801)
Work: Folk Song Arrangements, Vol. 6, England: 1. I will give my love an apple
Composer: Folk Song
Arranger: Benjamin Britten (1913–1976)
Work: 6 Romances, Op. 38: 6. Pimpinella: Florentine Song
Composer: Pyotr Ilyich Tchaikovsky (1840–1893)
Work: 6 Lieder, Op. 104: 3. Mutter, tote Mutter
Composer: Max Reger (1873–1916)
Work: Lieder ohne Worte, Op. 62: 6. Allegretto gracioso, "Frühlingslied"
Work: 6 Gesänge, Op. 7: 2. Ständchen
Work: 6 Gesänge, Op. 3: 1. Der Schalk
Work: Piano Sonata No. 6 in F Major, Op. 10, No. 2
Composer: Ludwig van Beethoven (1770–1827)
Work: 6 Lieder, Op. 23: 3. Geheimes Flüstern hier und dort, Op. 23, No. 3
Work: Musical Offering, BWV 1079: Fuga (Ricercata) a 6 voci
Composer: Johann Sebastian Bach (1685–1750)
Arranger: Eugene Ormandy (1899–1985)
Work: 6 Lieder, Op. 25: 6. Auf dem Meere (c. 1870)
Work: 6 Lieder, Op. 25: 5. Im wunderschönen Monat Mai (c. 1870)
Work: Musik im Bauch
Composer: Karlheinz Stockhausen (1928–2007)
Work: Mikrokosmos, Vol. 6: Minor Seconds, Major Sevenths, BB 105, No. 144
Work: 6 Gedichte von Scheffel, Mörike, Goethe und Kerner: 3. Biterolf
Work: 6 Gesänge, Op. 47: 6. Bei der Wiege
Work: 6 Bagatelles, Op. 126: 2. Bagatelle in G Minor. Allegro
Work: Prelude, Op. 6, No. 3
Composer: Robert Muczynski (1929–2010)
Work: 6 Romanzen für Frauenstimmen Vol. I, Op. 69: 1. Tamburinschlägerin
Composer: Robert Schumann (1810–1856)
Work: 12 Tonadillas en un estilo antiguo, H. 136: 6. El mirar de la maja
Work: 6 Melodie: 1. In alto mare
Composer: Ottorino Respighi (1879–1936)
Work: 6 Gesänge, Op. 17: 6. Im Herbst (c. 1860)
Work: 6 Romanze: 5. Perduta ho la pace
Composer: Giuseppe Verdi (1813–1901)
Work: 6 Little Piano Pieces, Op. 19
Composer: Arnold Schoenberg (1874–1951)
Work: Symphony No. 6 in F Major, Op. 68, "Pastorale": 2. Andante molto mosso
Work: 6 Romances, Op. 16: 4. O, spoy zhe tu pesnyu (O Sing that Song)
Work: Étude in E-flat Minor, Op. 10, No. 6
Composer: Frederic Chopin (1810–1849)
Work: 9 Sacred Pieces: 6. Our Father