Task: Text Categorization
Input (English): One movement of this work was described as a "black pearl," and the standard Schirmer edition of this work was prepared by Ralph Kirkpatrick. Glenn Gould referred to one movement as the "perfect Good Friday spell," and the eleventh movement is a four-voice fughetta The composer was introduced to this piece's dedicatee by Count Kaiserling, who gave him 100 louis-d'or as a reward. The penultimate section of this work is based on multiple folk songs including "I have so long been away from you" and "Cabbage and turnips have driven me away. " That movement is a quodlibet, while every third movement of this work is a canon, and this work was originally published as the fourth Clavier-bung. The final movement is a note-for-note repeat of the opening aria. Featuring 30 inner movements sandwiched between an aria and aria da capo, for 10 points, name this set of variations for harpsichord with two manuals.
Output (English): Fine Arts