Jeremy Denk wrote an article titled “Why I Hate [this work]” for NPR, and his 2013 recording of this work reached number one on the Billboard Classical Charts. One movement of this work begins with the notes D, E flat, D, C-sharp, D, ornament D, up to B-flat, and was described by Wanda Landowska as a “black pearl.” This work’s first movement begins with a (*) G, G, mordent G in the right hand, and an ascending G, (10[1])B, D in the left hand. Every third movement (10[1])of this work is a canon (10[1])and all of its movements are centered around the same descending bassline. Canadian pianist Glenn Gould twice recorded, for 10 points, (10[1])which set of keyboard variations by J.S. Bach composed for a namesake pianist to help cheer up an insomniac nobleman? ■END■