Op. 11

In music, Op. 11 stands for Opus number 11. Compositions that are assigned this number include:
 * Barber – Adagio for Strings
 * Barber – String Quartet
 * Beethoven – Piano Trio, Op. 11
 * Boccherini – String Quintet in E major, Op. 11, No. 5
 * Brahms – Serenade No. 1
 * Chopin – Piano Concerto No. 1
 * Dvořák – Romance in F minor
 * Elgar – Sursum corda
 * Enescu – Romanian Rhapsodies
 * Fanny Mendelssohn – Piano Trio
 * Gottschalk – Le Mancenillier
 * Granados – Goyescas
 * Grieg – In Autumn
 * Hindemith – Viola Sonata No. 1
 * Hindemith – Violin Sonata No. 2
 * Karłowicz – Lithuanian Rhapsody
 * Mendelssohn – Symphony No. 1
 * Prokofiev – Toccata
 * Racine – Cantique de Jean Racine
 * Schoenberg – Drei Klavierstücke
 * Schumann – Piano Sonata No. 1
 * Scriabin – 24 Preludes, Op. 11
 * Sibelius – Karelia Suite, for orchestra (1893)
 * Siegfried Wagner – An allem ist Hütchen schuld!
 * Spohr – String Quartet No. 3
 * Stamitz – Symphony in E-flat major, Op. 11, No. 3
 * Stanford – Violin Sonata No. 1
 * Strauss – Horn Concerto No. 1
 * Tchaikovsky – String Quartet No. 1
 * Vivaldi – Six Concertos, Op. 11
 * Zemlinsky – Der Traumgörge