In music, Op. 50 stands for Opus number 50. Compositions that are assigned this number include:
Beethoven – Romance for violin and orchestra no. 2 Op. 50 Brahms – Rinaldo Braunfels – Der Traum ein Leben Britten – Billy Budd Chopin – Mazurkas, Op. 50 Eisler – Deutsche Sinfonie Elgar – In the South (Alassio) Fauré – Pavane Haydn – String Quartets, Op. 50 Hindemith – Konzertmusik for Brass and String Orchestra Holst – The Wandering Scholar Kabalevsky – Piano Concerto No. 3 Kienzl – Don Quixote Krenek – Das geheime Königreich Myaskovsky – Symphony No. 20 Nielsen – Symphony No. 5 Prokofiev – String Quartet No. 1 Schumann – Paradise and the Peri Sibelius – Six Songs, Op. 50, collection of art songs (1906) Strauss – Feuersnot Strauss – Klange aus der Walachei Tchaikovsky – Piano Trio Villa-Lobos – Cello Concerto No. 1 Waterhouse – Bei Nacht