Prelude, Fugue, and Allegro in E♭ major, BWV 998, is a musical composition written by Johann Sebastian Bach for Lute or Harpsichord. The piece was written around 1735. The original manuscript with the title "Prelude pour la Luth. ò Cembal. par J.S. Bach" was sold at Christie's on July 13, 2016, for £2,518,500.