Issues : Errors in FE

b. 73-76

composition: Op. 10 No 1, Etude in C major

No ties in CLI

No ties in FE

Ties in GE & EE

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In FE there are no ties sustaining the upper notes of the octaves in bars 73-74 and 75-76. According to us, the most probable explanation is a misunderstanding at the time of changing the original abbreviated notation of the octaves with the use of under the upper notes for regular notation. In CLI the octaves, written in the described brief manner, are not sustained at all, which most probably is a mistake.

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Errors in FE , GE revisions , Abbreviated octaves' notation

b. 76

composition: Op. 10 No 1, Etude in C major

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FE1 has binstead of gas the 8th semiquaver, which is a mistake.

category imprint: Differences between sources

issues: Errors in FE , Terzverschreibung error , Authentic corrections of FE , Authentic corrections of GE