Issues : Uncertain notes on ledger lines
composition: Op. 10 No 5, Etude in G♭ major
Lack of e1 in the editions is, according to us, a result of a misreading of A, yet Chopin could have accepted this version at the stage of proofreading FE. Therefore, in the main text we suggest a variant solution.
In A there are visible traces of corrections, perhaps from the following version:
category imprint: Graphic ambiguousness; Differences between sources