The Langloz Manuscript: Fugal Improvisation through Figured Bass (Oxford Early Music Series)
"If one of your goals is to learn to improvise fugues in the common-practice-period idiom, this book could well be the one to get you started. Renwick's editorial work and scholarship are meticulous."--The Diapason"William Renwick has edited these pieces as scrupulously as one could wish, and supplied them with very sensible commentary."--Music & Letters