The Art of Avaz and Mohammad Reza Shajarian: Foundations and Contexts, by Rob Simms and Amir Koushkani, examines the traditional art of singing classical Persian poetry, as represented by its greatest living exponent. This in-depth study surveys the social and historical context of the twentieth-century tradition of avaz while placing Shajarian's early career within this complex culture, from being a child prodigy of Qur'an recitation in Mashhad to his rise to national prominence in the 1970s. As a globetrotting celebrity who is renowned for singing medieval poetry with impeccable technique...