A Portrait in Four Movements: The Chicago Symphony Under Barenboim, Boulez, Haitink, and Muti: by Andrew Patner, edited by John R. Schmidt and Douglas R. Shadle, Chicago, IL, University of Chicago Press, 2019, 255 pp., $27.50 (hardback), ISBN 978-0-226-60991-1. (3rd April 2021)