FESch
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In GC bar 2 (the entire bar except for the slur) and bar 5 (part of the L.H.) are written in an abbreviated manner with a •/• sign. The notation is certainly repeated after [A]. Similar abbreviations appear also in bar 8 and 12-13.
Compare the passage in the sources »
category imprint: Source & stylistic information
issues: Abbreviated notation of A
notation: Shorthand & other