Op. 31

In music, Op. 31 stands for Opus number 31. Compositions that are assigned this number include:


 * Alkan – Preludes, Op. 31
 * Barber – Summer Music
 * Beethoven – Piano Sonata No. 16
 * Beethoven – Piano Sonata No. 17
 * Beethoven – Piano Sonata No. 18
 * Britten – Serenade for Tenor, Horn and Strings
 * Chopin – Scherzo No. 2
 * Elgar – A Song of Flight
 * Elgar – After
 * Enescu – Vox Maris
 * Farrenc – Piano Quintet No. 2
 * Górecki – Symphony No. 2
 * Gottschalk – Souvenir de Porto Rico
 * Prokofiev – Tales of an Old Grandmother
 * Rachmaninoff – Liturgy of St. John Chrysostom
 * Saint-Saëns – Le rouet d'Omphale
 * Schillings – Mona Lisa
 * Schoenberg – Variations for Orchestra
 * Schumann – 3 Gesänge
 * Tchaikovsky – Marche slave
 * Vierne – Vingt-quatre pièces en style libre