After "Ladies Of The Canyon" (1970), this unrivaled classic of pop music was released in 1971 as Joni Mitchell's fourth studio album. The "Rolling Stone" lists "Blue" at position 30 of the most important albums of all time. The writers at Pitchfork gave the album a perfect 10-out-of-10 rating, calling it "possibly the most poignant breakup album ever made." Her fellow musicians were Stephen Stills, James Taylor, Russ Kunkel and Sneaky Pete Kleinow.