@frogman:
The tune is clearly Blues-based in tonality, so having an opera singer perform it, thereby draining it of all its bluesiness, is nothing I personally want to hear. No doubt others will disagree.
Simply offered for comparison's sake, here are three versions by Jazz singers:
Billie Holiday:
https://www.youtube.com/watch?v=A8eLHZXv-60
Ella:
https://www.youtube.com/watch?v=u2bigf337aU
Sassy:
https://www.youtube.com/watch?v=mmofX0rE6CQ
The tune is clearly Blues-based in tonality, so having an opera singer perform it, thereby draining it of all its bluesiness, is nothing I personally want to hear. No doubt others will disagree.
Simply offered for comparison's sake, here are three versions by Jazz singers:
Billie Holiday:
https://www.youtube.com/watch?v=A8eLHZXv-60
Ella:
https://www.youtube.com/watch?v=u2bigf337aU
Sassy:
https://www.youtube.com/watch?v=mmofX0rE6CQ