PHILIP ROSS BULLOCK is Professor of Russian and Music at the University of Oxford, and Fellow and Tutor in Russian at Wadham College, Oxford. Previously for Boydell,he has published a translation of the correspondencence between Rosa Newmarch and Jean Sibelius, and in 2016, his biography of Tchaikovsky was published in the Critical Lives series by Reaktion. DANIEL M. GRIMLEY is Professor of Music, University of Oxford. Tutorial Fellow, Merton College. Associate Head (Research) of Humanities. Daniel Grimley's latest book was recently published by CUP at the end of 2018: Delius and the Sound of Place. Grimley has published various books with Boydell.