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b. 72

composition: Op. 28 No. 12, Prelude in G♯ minor

..

In the main text we add cautionary sharps before d1 and a. The latter was already added in EE.

category imprint: Differences between sources; Editorial revisions

issues: EE revisions

b. 77

composition: Op. 28 No. 12, Prelude in G♯ minor

..

We add a cautionary  to f1 in the main text.

category imprint: Editorial revisions

b. 78-79

composition: Op. 28 No. 12, Prelude in G♯ minor

Bars 78-79 in A (→FEEE)

No these bars in FC (→GE)

..

These bars were overlooked in FC (→GE). It is a typical mistake of copyists – the so-called haplography – where an element or fragment that should be written twice is written once; in this case, the discussed bars were overlooked, since they were very similar to b. 76-77 (which preceded them). Fontana committed such a mistake also in the Prelude No. 21 in B Major, b. 54

category imprint: Differences between sources

issues: Errors of FC