Recent discussion about the merits of Le Prophète has prompted Chris’s Cache to unearth a pirate recording of Meyerbeer’s opera with Marilyn Horne, Rita Shane and Guy Chauvet led by Charles Mackerras, along with an earlier collaboration of the mezzo and conductor: Gluck’s Orfeo ed Euridice in which Horne goes to hell to get back Adriana Maliponte with the help of Judith Blegen.