Impromptu No. 1 (Chopin)
Encyclopedia
Music
The Impromptu is in three parts, the middle being in the key of F minorF minor
F minor is a minor scale based on F, consisting of the pitches F, G, A, B, C, D, and E. The harmonic minor raises the E to E. Its key signature has four flats ....
. A perpetuum mobile
Perpetuum mobile
Perpetuum mobile , moto perpetuo , mouvement perpétuel , movimiento perpetuo , literally meaning "perpetual motion", means two distinct things:#pieces of music, or parts of pieces, characterised by a continuous steady stream of notes, usually at a...
in triplets
Tuplet
In music a tuplet is "any rhythm that involves dividing the beat into a different number of equal subdivisions from that usually permitted by the...
accompanies the piece.
In popular culture
In George du MaurierGeorge du Maurier
George Louis Palmella Busson du Maurier was a French-born British cartoonist and author, known for his cartoons in Punch and also for his novel Trilby. He was the father of actor Gerald du Maurier and grandfather of the writers Angela du Maurier and Dame Daphne du Maurier...
's novel Trilby
Trilby (novel)
Trilby is a novel by George du Maurier and one of the most popular novels of its time, perhaps the second best selling novel of the Fin de siècle after Bram Stoker's Dracula. Published serially in Harper's Monthly in 1894, it was published in book form in 1895 and sold 200,000 copies in the United...
, the title character, a singer who can perform only under the influence of hypnosis, performs the Impromptu in A-flat major as a wordless vocalise
Vocalise
A vocalise is a vocal exercise without words, which is sung on one or more vowel sounds.-In classical music:Vocalise dates back to the mid-18th century...
to end her concerts.