A cult singer, 12-string guitarist, and banjo player of the New York 1960s folk revival, Karen Dalton still remains known to very few, despite counting the likes of Bob Dylan and Fred Neil among her acquaintances. This was partly because she seldom recorded, only making one album in the 1960s -- and that didn't come out until 1969, although she had been known on the Greenwich Village circuit since the beginning of the decade. It was also partly because, unlike other folksingers of the era, she was an interpreter who did not record original material. And it was also because her...