Op. 90

In music, Op. 90 stands for Opus number 90. Compositions that are assigned this number include:


 * Beethoven – Piano Sonata No. 27
 * Brahms – Symphony No. 3
 * Dvořák – Piano Trio No. 4
 * Klebe – Die Fastnachtsbeichte
 * Mendelssohn – Symphony No. 4
 * Schubert – Impromptus
 * Schumann – 6 Gedichte und Requiem
 * Sibelius – Six Runeberg Songs, collection of art songs (1917)