The female voice plays a more central role in Sufi ritual, especially in the singing of devotional poetry, than in almost any other area of Muslim culture. Female singers perform sufiana-kalam, or mystical poetry, at Sufi shrines and in concerts, folk festivals, and domestic life, while male singers assume the female voice when singing the myths of heroines in qawwali and sufiana-kalam. Yet, despite the centrality of the female voice in Sufi practice throughout South Asia and the Middle East, it has received little scholarly attention and is largely unknown in...