A set of four of these pieces was posited to be a "sonata in disguise" by Robert Schumann, since the first and last are in F minor while the second and third are in A-flat major and B-flat major.
A set of four of these pieces was posited to be a "sonata in disguise" by Robert Schumann, since the first and last are in F minor while the second and third are in A-flat major and B-flat major. Another piece in this genre opens with the left hand playing a G-G sharp augmented octave dyad before launching into rising and falling sextuplets, while the right hand plays a sixteenth-note melody. The first piece referred to by this term was composed by Jan Vaclav Vorisek, who collected six of them in his Opus 7. A B-flat major piece in this genre consists of variations on a theme from the composer's earlier Entr'acte No. 3 from Rosamunde. Schubert wrote two sets of four of these pieces, which are often paired with his Six Moments Musicaux. The melody of the moderato cantabile middle section of another of these pieces was reused in the song "I'm Always Chasing Rainbows". For 10 points, Chopin wrote a "Fantaisie" example of what genre of solo musical composition, whose name suggests extemporaneity?
A set of four of these pieces was posited to be a "sonata in disguise" by Robert Schumann, since the first and last are in F minor while the second and third are in A-flat major and B-flat major.
 impromptus [accept Fantaisie-Impromptu; accept Franz  Schubert's impromptus until "dyad"]