Op. 13

In music, Op. 13 stands for Opus number 13. Compositions that are assigned this number include:


 * Bartók – The Wooden Prince
 * Beethoven – Piano Sonata No. 8
 * Britten – Piano Concerto
 * Dvořák – Symphony No. 4
 * Enescu – Symphony No. 1
 * Fauré – Violin Sonata No. 1
 * Glazunov – Stenka Razin
 * Kodály – Psalmus Hungaricus
 * Mendelssohn – String Quartet No. 2
 * Nielsen – String Quartet No. 1
 * Rachmaninoff – Symphony No. 1
 * Schumann – Symphonic Studies
 * Sibelius – Seven Runeberg Songs, collection of art songs (1891–1892)
 * Strauss – Piano Quartet
 * Tchaikovsky – Symphony No. 1