She mixed her metaphors on painfully honest material that almost hurt to listen to. From her 1970 debut—when she was 45—to 1976 (when her final album, ‘We’re Children Of Coincidence and Harpo Marx,’ was released to little or no fanfare), Dory Previn was right up there with fellow confessional songstresses like Carol King, Joni Mitchell and Carly Simon. So why don’t people remember her?