Op. 20

In music, Op. 20 stands for Opus number 20. Compositions that are assigned this number include:


 * Barber – Excursions
 * Bartók – Eight Improvisations on Hungarian Peasant Songs
 * Beethoven – Septet
 * Britten – Sinfonia da Requiem
 * Chausson – Symphony in B-flat
 * Chopin – Scherzo No. 1
 * Dvořák – Moravian Duets
 * Elgar – Serenade for Strings
 * Haydn – String Quartets, Op. 20
 * Hindemith – Das Nusch-Nuschi
 * Knussen – Where the Wild Things Are
 * Korngold – Das Wunder der Heliane
 * Larsson – Intimate Miniatures (Intima miniatyrer), a suite for string quartet (1938)
 * Matthay – Piano Quartet
 * Mendelssohn – Octet
 * Prokofiev – Scythian Suite
 * Rachmaninoff – Spring
 * Ries – Cello Sonata No. 2
 * Sarasate – Zigeunerweisen
 * Schoenberg – Herzgewächse
 * Schumann – Humoreske
 * Scriabin – Piano Concerto
 * Shostakovich – Symphony No. 3
 * Sibelius – Malinconia, duo for cello and piano (1900)
 * Strauss – Don Juan
 * Tchaikovsky – Swan Lake
 * Wirén – Symphony No. 3 (1944)
 * Zemlinsky – Symphonische Gesänge