Jean-Paul Sartre said she had “millions of poems in her voice.” Miles Davis almost married her. There was no other chanteuse quite like Juliette Gréco, who became known as the muse of the existentialist movement, her voice as capable of conveying forlorn sadness as it was love and simpler pleasures. She brought her sultry expressions to string-swept pop vocals, sparse acoustic pieces and lilting chansons. Discover every side of her in this playlist.