In music, Op. 6 stands for Opus number 6. Compositions that are assigned this number include:
Barber – Cello Sonata Bartók – 14 Bagatelles Beethoven – Sonata in D major for piano four-hands, Op. 6 Berg – Three Pieces for Orchestra Chopin – Mazurkas, Op. 6 Corelli – Christmas Concerto Corelli – Concerto grosso in D major, Op. 6, No. 4 Corelli – Twelve concerti grossi, Op. 6 Enescu – Violin Sonata No. 2 Handel – Concerti grossi, Op. 6 Paganini – Violin Concerto No. 1 Rachmaninoff – Morceaux de salon, Op. 6 Reger – Drei Chöre, Op. 6 Rimsky-Korsakov – Fantasy on Serbian Themes Schoenberg – Concerto for String Quartet and Orchestra Schumann – Davidsbündlertänze Scriabin – Piano Sonata No. 1 Sibelius – , for orchestra (1904, revised 1905) Strauss – Cello Sonata Strauss – Wiener Launen-Walzer Suk – Serenade for Strings Tchaikovsky – None but the Lonely Heart Vivaldi – Six Violin Concertos, Op. 6 York – Les Gentilhommes