I've Always Kept a Unicorn tells the story of Sandy Denny, one of the greatest British singers of her time and the first female singer-songwriter to produce a substantial and enduring body of original songs. Sandy Denny laid down the marker for folk-rock when she joined Fairport Convention in 1968, but her music went far beyond this during the seventies. After leaving Fairport she formed Fotheringay, whose influential eponymous album was released...