Slavs and Tatars is an internationally renowned art collective devoted to an area east of the former Berlin Wall and west of the Great Wall of China, known as Eurasia. They have had solo exhibitions at the Museum of Modern Art in New York, Salt in Istanbul, Kunsthalle Zurich, and other venues. Publications include Crack Up--Crack Down, Mirrors for Princes, and Friendship of Nations. Guangtian Ha is Assistant Professor of Religion at Haverford College and the author of Fragile Transcendence: Sound and Saint in Sino-Sufism, to be published in September 2021. He is currently working on a new project that examines the entwinement of sex and slavery in the making of Islam in maritime Asia.