Mozart - Sonata (3) from London Sketchbook, K.15 (1764)

Bartje Bartmans
Bartje Bartmans
Oct 2, 2026  #19 #20 #21

Wolfgang Amadeus Mozart (27 January 1756 – 5 December 1791) was one of the most influential, popular and prolific composers of the classical period. A child prodigy, from an early age he began composing over 600 works, including some of the most famous pieces of symphonic, chamber, operatic, and choral music.

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Sonata from London Sketchbook (1764)
Orchestrations by Erik Smith

#19. Molto allegro K.15t
a. piano (0:00)
b. orchestra (4:29)

#20. Siciliano K.15u
a. piano (7:59)
b. orchestra (11:15)

#21. Finale. Allegro molto (K.15v)
a. piano (13:20)
b. orchestra (16:28)

Hans-Udo Kreuels, piano
Academy of St Martin in the Fields conducted by Sir Neville Marriner

The London Sketchbook (German: Londoner Skizzenbuch), K.15 a–ss (Anh. 109b) is a series of 43 untitled pieces and sketches written by Wolfgang Amadeus Mozart between 1764 and 1765 while in London (see the Mozart family's grand tour). The set of works is denoted by its K6 number, followed by its respective letter, i.e. 15a, 15b, 15c, etc.

Most pieces are extremely short, normally lasting from 40 seconds to a minute; however, some span as long as four minutes in total (see K. 15t). According to the Neue Mozart-Ausgabe, the intended purpose of this book was not for musical exercise, as once thought, but rather for the young Mozart, who had just learned how to use pen and ink, to write down his own inspiration without needing anyone's help. Corrections by his father Leopold appear in pencil.