Issues : Annotations in FES

b. 28

composition: Op. 10 No 9, Etude in F minor

All'ottava sign in AI, A, EE, FED & FES

No all'ottava sign in FE (→GE)

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The earlier ending of the octave sign in FE (→GE) is a patent error, corrected by Chopin in FED and FES. Both autographs, as well as EE, have the correct text.

category imprint: Differences between sources

issues: Annotations in teaching copies , EE revisions , Errors in FE , Annotations in FED , Annotations in FES