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b. 273

composition: Op. 21, Concerto in F minor, Mvt I

..

The cautionary flat before bis present in A (→GE), yet it was overlooked in FE (already at the stage of the text's planning – no place for the sign was provided). It was readded in EE.

category imprint: Differences between sources

issues: EE revisions , Errors in FE , Cautionary accidentals

b. 274

composition: Op. 21, Concerto in F minor, Mvt I

Upper voice slur in A & GE2

Lower voice slur in GE1

Both slurs in FE (→EE)

..

The slur of the bottom voice, appearing in GE instead of the slur of the top voice written in A, is probably a mistake, although its addition by Chopin cannot be entirely excluded (e.g. if in the proof copy no slur was included, Chopin could have added two and the engraver only the bottom one). In any case, in the proofreading of FE (→EE) Chopin restored the top slur, without removing the bottom one, so that next to the version of A one can also notice the version of FE with two slurs. In the main text we give the version of A, since the authenticity of the bottom slur is not as unquestionable as of the top one; moreover, the top slur applies to the entire part of the R.H. by default.

category imprint: Differences between sources

issues: Errors in GE , Authentic corrections of FE

b. 275

composition: Op. 21, Concerto in F minor, Mvt I

Additional crotchet stem to e1 in A & FE (→EE)

No crotchet stem in GE

..

The engraver of GE1 could have considered the extension of eto be a mistake or he committed a mistake himself. The stem was restored – most probably at Chopin's request – in FE (→EE).

category imprint: Differences between sources

issues: Inaccuracies in GE

b. 275

composition: Op. 21, Concerto in F minor, Mvt I

b2(3) in A (literal reading→GE1FEEE)

b2(3) in A, possible interpretation

b2(3) in GE2

..

In A (→GE1FEEE) there are no accidentals before the 6th and 10th notes of the roulade (in relation to a notation with an octave sign in Chopin's times, a possible sign was required only before the 6th note). Formally speaking, it should read b2 and b3, yet in ascending passages Chopin would generally use altered interchangeable notes (cf. e.g. bars 87, 95, 143, 175-178, 247-248, 331-334 in this movement), which suggests a possibility of overlooking naturals resulting in b2 and b3. In the main text we give a version based on an assumption that Chopin's notation does not contain mistakes, adding a cautionary  before b2.

category imprint: Interpretations within context; Differences between sources

issues: Errors in GE , GE revisions

b. 275

composition: Op. 21, Concerto in F minor, Mvt I

..

In GE1 (→FEEE) a  was overlooked, in A raising b1 to b1. The mistake was corrected in GE2.

category imprint: Differences between sources

issues: Errors in FE , Errors in EE , Errors in GE , GE revisions