Edited sentence: Her Japanese Television appearance in 1993 also showed her impeccable musicality.Her decision not to pursue an operatic career also remains a mystery especially since her voice warmed and matured by her late fourties and early fifties.Her true vocal limitations in terms of range and agility remains a delightful mystery.She also sang selections in the 70s from Porgy and Bess displaying her innate singing abilities.we can hear glimses of her operatic nature during a brief segment in the move 10, her television apperance with carol burnett (during the segment of "The Phantom of the Operi" where she sang two beautiful high As) We also get her dramatic singing ability during her appearance at the Julie Andrews Show (1965) singing the "Battle Cry Song" by Richard Wagner