A  comparison of Kunst(art) and Stimme (voice) sopranos.
Included are the following divas:

Maria Callas, Renata Tebaldi, Joan Sutherland, Martha Moedl,
Kirsten Flagstad, Leonie Rysanek, Nina Stemme, Marilyn Horne,
Conchita Supervia, Elena Suliotis, Maria Caniglia, Zinka Milanov,
Edita Gruberova.

(74 minutes)