Dr Anatoly Milka is a Professor of Musicology at the St Petersburg Rimsky-Korsakov State Conservatory and the St Petersburg State University, Russia. He is the author of Rethinking J.S. Bach’s The Art of Fugue (2016), as well as articles in the Bach-Jahrbuch and other journals. His publications in Russian include Theoretical Foundations of Functionality in Music (1982); Bach’s Musical Offering: Toward Reconstruction and Interpretation (1999); Intriguing Bachiana (with Tatiana Shabalina, 1997; 2001); a facsimile edition of L’A.B.C. Musical by Gottfried Kirchhoff (2004); Bach’s The Art of Fugue: Toward Reconstruction and Interpretation (2009); and Polyphony: A Textbook for Musical Academies (2016). Dr Marina Ritzarev is a Professor of Musicology (Emerita) at Bar-Ilan University, Israel. She is the author of Eighteenth-Century Russian Music (2006) and Tchaikovsky’s ‘Pathétique’ and Russian Culture (2014), as well as several books in Russian, including monographs on Maxim Berezovsky (1983; 2013) and Dmirty Bortniansky (1979; 2015). She is a translator of Anatoly Milka’s Rethinking J.S. Bach’s The Art of Fugue (2016).