The Art of Preluding: Deconstructing and Reconstructing the Preludes in J. S. Bach’s Well-Tempered Clavier, Volumes I & II, by Derek Remeš. Leupold Editions, a division of The Leupold Foundation, 2021; Volume 1, LE500046, $39; LE500047, $32; sold as a set, LE500049, $60 print, $40 digital. Available from theleupoldfoundation.org.