The earlier version of The Art of Fugue, a significant product of Bach’s maturity, is here printed for the first time, in both two-stave and open-score versions. The editorial process has involved peeling off layers of revisions made for the later, significantly enlarged version of the work, to discover a masterpiece in its own right.

John O‘Donnell is an Australian organist, harpsichordist, conductor and scholar. He is Monash University Organist, Founder/Director of Ensemble Gombert, keyboard player of the chamber trio Capella Corelli, and Director of Music at All Saints’, East St Kilda. He has performed throughout Europe and North America and has published a number of articles on Bach and an edition of the complete keyboard works of Johann Caspar Kerll.