The wedges, added to the bass crotchets in GE1 certainly by mistake, were strangely consistently repeated by all the remaining editions. The source of the mistake could be the first crotchet stem, to f, which in A does not reach the notehead and therefore could have been considered a wedge.
Compare the passage in the sources »
category imprint: Differences between sources
issues: Errors in GE, Errors repeated in GE, Errors repeated in FE, Errors repeated in EE
notation: Articulation, Accents, Hairpins
