Randall J. Stephens. The Devil’s Music: How Christians Inspired, Condemned, and Embraced Rock ‘n’ Roll. Cambridge, MA: Harvard University Press, 2018. 337 pp. Hbk. ISBN 9780674980846.   Introduction Last year saw the publication of two landmark books about Christians and rock music: Gregory Alan Thornbury’s Why Should the Devil Have All the Good Music? Larry Norman and the Perils of Christian Rock (New York: Convergent) and Randall J. Stephens’s The Devil’s Music. The works complement