 Dionne Warwick (qv) was under contract to a different record label  than 20th so the theme on the soundtrack album was sung by  Dory Previn (qv), who also wrote the lyrics.  Margaret Whiting (I) (qv) dubbed Susan Hayward (I) (qv) but she  was also under contract to a different label, so veteran voice  double Eileen Wilson (qv) sings "Ill Plant My Own Tree" on the  soundtrack album.