Raucous, expressive and revolutionary: Algeria's Rai music took its place on the United Nations' list of intangible cultural heritage on Thursday. "New inscription on the #IntangibleHeritage List: Rai, popular folk song of #Algeria," UN cultural agency UNESCO announced in a tweet. Rai, whose biggest stars include Cheb Khaled and Cheb Mami, emerged in the closing decades of French colonial rule in Algeria, confronting social taboos and dealing with themes such ...