With a voice steeped in smoke and gravel, Marianne Faithfull paved the way for other artists who didn't fit the mould. Her sultry swagger made space for Diamanda Galas' electrifying avant-garde wizardry and Grace Jones' androgynous funk; her vocal grit and soul anticipated Lucinda Williams' creaky Americana and PJ Harvey's muscular, masterful rock and rhythm 'n' blues.