JONI MITCHELL, Canadian musical goddess, born; OK…she’s not Gay. We just love her. Famously heterosexual, in fact; nevertheless, her relationship with singer and Academy Award nominee (for her performance as country superstar Barbara Jean in Robert Altman’s 1975 film Nashville) Ronee Blakley resulted in the exchange of memorable love songs, Mitchell writing “Shades of Scarlet Conquering” to Blakley, and Blakley responding with “She Lays It On The Line