Op. 29, Impromptu in A♭ major
A - Autograph
A fair score meant as a Stichvorlage for the first German edition (GE1). It was made probably in summer 1837. A basic source.
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FE - French Edition
M. Schlesinger, Paris,
plate number M.S. 2467.
FE1 ‒ First French edition, since 29th October 1837
Three pupils' copies with Chopin's additions:
FED ‒ Camille O'Méara-Dubois copy,
FEJ ‒ Ludwika Jędrzejewicz copy,
FES ‒ Jane Stirling copy.
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GE - German Edition
Breitkopf & Härtel, Leipzig,
publishing number 5850.
GE1 ‒ First German edition, since November 1837,
GE2 ‒ Second German edition, since approx. 1853,
GE3 (1866) and GE4 (1867-1871) ‒ later, revised impressions of GE2.
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EE - English Edition
Wessel & Co, London,
publishing number W & Co 2166.
EE1 ‒ First English edition,
since October 1837,
EE2 ‒ later impression of EE1,
since 1848-1851.
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Filiation of the sources
Principles adopted for the main text of the Impromptu A flat Major Op. 29
We adopt A as the main text – the only preserved manuscript – compared with FE1 i EE1, which were based on separate manuscripts. We take into consideration Chopin’s annotations in three pupils’ copies – FED, FEJ, FES. We correct quite numerous – particularly in A and FE – obvious omissions of accidentals.