Assertion: harpsichord | /r/HasProperty | bwv 1061a
Facets:
Source sentences:
text: The work originated as a concerto for two harpsichords unaccompanied (BWV 1061a, a.k.a. BWV 1061.1, in the manner of the Italian Concerto, BWV 971), and the addition of the orchestral parts (BWV 1061, a.k.a. BWV 1061.2) may not have been by Bach himself.[citation needed]