Music's Nordic breakthrough: aesthetics, modernity, and cultural exchange, 1890–1930: edited by Philip Ross Bullock and Daniel M. Grimley, Woodbridge, Boydell & Brewer, 2021, 278 pp. + 30 illustrations, 2 tables and 12 musical examples, £65.00/115.00, (hardback) ISBN 978-1-78327-568-7. Issue 4 (2nd October 2021) - Blakesley, Rosalind P.