Buffy Sainte-Marie

Buffy Sainte-Marie, OC (born February 20, 1941) is a Canadian-American Cree singer-songwriter, musician, composer, visual artist, educator, pacifist, and social activist. Throughout her career in all of these areas, her work has focused on issues of Indigenous peoples of the Americas. Her singing and writing repertoire also includes subjects of love, war, religion, and mysticism.

source: Wikipedia