The passage suggests that Landowska would probably have objected most strongly to which of the following? A. A performance of a Bach keyboard piece played on the harpsichord. B. A performance of a Handel organ piece on a Baroque pipe organ. C. A modern composition written for a harpsichord and two pianos. D. A piano solo in which the performer occasionally departs from the tempo indicated by the composer. E. A performance of a piano and violin sonata in which the piano part is played on the harpsichord.