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b. 28-29
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composition: Op. 12, Variations in B♭ major
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In the main text we add cautionary accidentals – a category imprint: Editorial revisions |
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b. 29-32
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composition: Op. 12, Variations in B♭ major
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The absence of a category imprint: Source & stylistic information issues: No pedal release mark |
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b. 30
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composition: Op. 12, Variations in B♭ major
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In the main text we add a cautionary category imprint: Editorial revisions |
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b. 30-31
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composition: Op. 12, Variations in B♭ major
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It is highly unlikely that both GE and EE could have overlooked a clearly printed slur. Therefore, the slur was most probably added by Chopin in the last stage of proofreading FE. category imprint: Differences between sources issues: Authentic corrections of FE |
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b. 31
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composition: Op. 12, Variations in B♭ major
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In FE (→GE1) the accidentals on the 4th beat are missing. The undoubtedly overlooked category imprint: Interpretations within context; Differences between sources issues: EE revisions , Errors in FE , Omissions to cancel alteration , GE revisions , Errors repeated in GE |
to d1 in bar 28 and to the first a1 note in bar 29 as well as a 
to e
2 at the beginning of bar 29.
at the end of a piece (in this case, Introduction) is quite a frequent phenomenon in Chopin's works. Generally, it means that the pedal should be pressed throughout the entire final fragment or that it should be gradually released (the so-called diminuendo pedal). According to us, in the discussed case, holding the pedal pressed to the end results in a very good sound effect; alternatively, the pedal can be gradually released throughout bar 31 to be pressed again (optionally) in bar 32.
