The Murid order, founded in Senegal in the latter decades of the nineteenth century, grew into a major Sufi order during the colonial period and is now among the most recognizable of the Sufi orders in Africa. Murids have spread the voice of Islam and Africa in concert halls and on the airwaves through pop singers -- especially Youssou N'Dour -- and the image of Shaykh Amadu Bamba M'Back , the founding saint of the order, often used to grace the...