Somehow you brought the gambler out in me...
It is odd that they didn’t choose to re-record this. Especially since they loved recording and recording the other tracks. So I will say that her vocals on the 1973 tracks are exquisite.^^ I always felt Karen was beyond the "same league" as "those singers." !
However, another reason I discounted the 1980 Karen-Ella Medley as my favorite duet,
is that Karen's portion begins with the already-recorded 1973 vocals (and instrumental intro)
of This Masquerade, that does not sit well with my ears (as I have detailed elsewhere).