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b. 71

composition: Op. 10 No 4, Etude in C♯ minor

..

The C1-C octave at the beginning of the bar is briefly written in AI and FE (→EE,GE1GE2GE3) with the help of 8.

category imprint: Source & stylistic information

issues: Abbreviated octaves' notation

b. 81-82

composition: Op. 10 No 4, Etude in C♯ minor

..

The final C1-C octaves are briefly written in AI and FE (→EE,GE1GE2GE3) with the help of 8.

category imprint: Source & stylistic information

issues: Abbreviated octaves' notation