Issues : Inaccuracies in A

b. 27-32

composition: Op. 28 No. 12, Prelude in G♯ minor

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In these bars Chopin would consistently put accidentals in A (→FE) only next to the bottom notes of the L.H. octaves (or not at all, as is the case with the 2nd crotchet in b. 27-28). Moreover, in b. 32 the  lowering c1 to c1 was crossed out in A! In FC Fontana added only 4 naturals concerning c1, while GE and EE contain all necessary accidentals.

category imprint: Interpretations within context; Differences between sources; Source & stylistic information

issues: EE revisions , Accidentals in different octaves , GE revisions , Deletions in A , Fontana's revisions , Inaccuracies in A , Errors repeated in FE

b. 75-80

composition: Op. 28 No. 12, Prelude in G♯ minor

dim. - - in A

dim. - - in FC (→GE)

dim. in FE (→EE)

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When interpreted literally, the dim. abbreviation fills an entire bar in A. It resulted in a difference in the placement of the indication between FC (→GE) and FE (→EE). According to us, the manner in which it was written down suggests that it is related to the 3rd beat of the bar, hence in the main text we prefer the placement proposed in FE (→EE). However, those editions overlooked the dashes marking the range of the dynamic change; we add them after A.

category imprint: Graphic ambiguousness; Differences between sources

issues: Errors in FE , Inaccuracies in A