Buffy Sainte-Marie is a notable Canadian-American singer-songwriter, known for her distinctive blend of folk, country, and pop music with elements of First Nations music. She rose to prominence in the mid-1960s, using her platform to address issues like war, native rights, and environmentalism. Her influential works include the protest song "Universal Soldier" and the Oscar-winning "Up Where We Belong." Sainte-Marie's signature sound, characterized by her vibrant vibrato and innovative use of the mouth bow, has made her a significant figure in the history of folk music.