James Tobin responded to me:

>Mitch Friedfeld:
>
>>EMI is remastering the 1953 Tosca, which some people call the greatest opera
>>recording ever
>
>For me, Callas' "Quanto!?" in that opera, is one of the greatest moments in
>opera ever.

At the risk of starting a thread that will enumerate literally dozens of
breathtaking moments, let me give you my favorite:  "E morto!  Or gli
perdono!", and the music just afterward.  Goosebumps just writing this!

Mitch Friedfeld