Mali's Coumba Sidibe was a pioneering force behind the evolution of wassoulou, the earthy, propulsive music that first captured the imagination of west African listeners in the mid-'70s. A singer of elemental power, she set the stage for a generation of artists including Oumou Sangaré, Issa Bagayogo, and Nahawa Doumbia, although their international fame consistently eluded her. Born in Koninko, Mali in 1950, Sidibe began singing at regional harvest festivals at the age of seven, following in the footsteps of her father Diara, a famed dancer and sorcerer skilled in the ecstatic...