Chopin used this note's minor key for a piano sonata whose somber third movement gives the piece the nickname the "Funeral March.
This is the first note of the tone row on which Webern's String Quartet is based. Brahms's Variations and Fugue on a Theme by Handel is based on a harpsichord suite in this note's major key. The Beethoven string quartet whose last movement was initially the Grosse Fuge is in this note's major key. Chopin used this note's minor key for a piano sonata whose somber third movement gives the piece the nickname the "Funeral March." There are five flats in the minor key of this note, which is what the C played on a trumpet or clarinet sounds like. This note is the first flat added in the circle of fifths. For 10 points, name this note that is the only accidental in the key of F major, and which in equal temperament is the same as A sharp.
This is the first note of the tone row on which Webern's String Quartet is based.
B flat [or B-flat major; or B-flat minor]