2 & bThe version of FE (→EE), fully analogous with the corresponding fragment of the recapitulation (bars 315-318), is certainly authentic and was introduced by Chopin in the proofreading of FE1. Both versions seem to be musically equal:
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the scheme of the melodic line, created by the accented notes of the top voice, is more diverse among the two-bar phrases in the original version than in the later one (small notes illustrate the bass's sequence):
A, GE
FE, EE
- the advantages of the later version include the enriched first phrase (a suspension in the 2nd half of bar 165) and a more harmonic development – the suspension, used as a diversification at the repetition, appears already in the first phrase.
Chopin could have also taken into account homogeneity and consequently pianistic convenience. Following the proofreading, the number of differences between the subsequent two-bar phrases (in bars 165-166, 167-168, 315-316 and 317-318) was significantly reduced – in the original version, each of them is different, and the differences appear at the beginning of the first three halves of bars; in the final version, there are only two versions, differing only in the beginning of the first bar.
Compare the passage in the sources »
category imprint: Differences between sources; Corrections & alterations
issues: Authentic corrections of FE
notation: Pitch