In music, Op. 43 stands for Opus number 43. Compositions that are assigned this number include:
Atterberg – Aladdin Beethoven – The Creatures of Prometheus Chopin – Tarantelle Elgar – Dream Children Milhaud – Little Symphony No. 1 Nielsen – Wind Quintet Rachmaninoff – Rhapsody on a Theme of Paganini Rossini – La Danza Roussel – Bacchus and Ariadne Schumann – 3 Duets Scriabin – Symphony No. 3 Shostakovich – Symphony No. 4 Sibelius – Symphony No. 2 in D major (1902) Spohr – String Quartet No. 11 Strauss – Explosions-Polka Tchaikovsky – Orchestral Suite No. 1 Waterhouse – Gestural Variations