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b. 6

composition: Op. 29, Impromptu in A♭ major

..

The crescendo hairpins are marked slightly different in each of the sources. The right-hand end of the hairpins in A is unclear. Comparison with analogous bars and FE and EE versions (out of which one is most probably based on a different autograph), enables considering A's notation as inaccurate. We harmonise the notation according to analogous places.

category imprint: Graphic ambiguousness; Differences between sources; Editorial revisions

issues: Scope of dynamic hairpins

b. 6

composition: Op. 27 No 1, Nocturne in C# minor

Chopin’s fingering FED

No teaching fingering provided

category imprint: Differences between sources

issues: Annotations in teaching copies , Annotations in FED

b. 6

composition: Op. 27 No 1, Nocturne in C# minor

No mark in GE (→FE)

Accent in EE

..

The accent in EE is certainly an arbitrary addition by the publisher, introduced by analogy with an authentic accent in similar bar 89.

category imprint: Differences between sources

issues: EE revisions

b. 6-7

composition: Op. 27 No 2, Nocturne in D♭ major

A more probable interpretation of the slurs of A

A less probable interpretation of A (→GEFEEE)

..

In the sources, bar 7 begins a new line of text; in such situations it is difficult to decide in Chopin's autographs whether the slur is to be treated as a new sign or a continuation of the previous one.

category imprint: Graphic ambiguousness; Differences between sources

issues: Inaccurate slurs in A

b. 6

composition: Op. 27 No 2, Nocturne in D♭ major

in A (→GE)

in FE (→EE)

..

Chopin introduced a number of changes when correcting FE, also in performance markings. Here, however, it is almost certain that the hairpin was accidentally reversed by the engraver.

category imprint: Differences between sources

issues: Inaccuracies in FE , Sign reversal