DavidTemperley, The Musical Language of Rock (Oxford and New York: Oxford University Press, 2018). xv + 292 pp. £31.49 (pb.). ISBN 9780190870522.ChristopherDoll, Hearing Harmony: Toward a Tonal Theory for the Rock Era (Ann Arbor: University of Michigan Press, 2017). x + 320 pp. $39.95 (pb.). ISBN 9780472073528.DrewNobile, Form as Harmony in Rock Music (Oxford and New York: Oxford University Press, 2020). 268 pp. £25.49 (pb.). ISBN 9780190948368.