Скачать или смотреть On TV: Eleanor Steber - Vissi d'arte (Tosca) - 1949

Steber was a household name during this era. Here she begins the show's 22nd consecutive year on the air with a full-blooded, soaring rendition of the famous prayer from act II of Tosca.

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This channel is primarily about vocal emission—aural examples of basically correct singing, correct impostazione—chiaroscuro, vowel clarity, firm and centered pitch, correct vibrato action, absence of throatiness or thickness, sounds free from constriction and from the acoustic noise that accompanies it—with occasional video examples that demonstrate what the body, face, mouth, jaw, and tongue look like when used with correct impostazione—the vocal emission of the one and only Italian school.

Caveat: I'm biased in favor of baritones and baritone literature, but if you want to learn about and listen to all the greatest singers in the old-school tradition, explore this spreadsheet (voice parts are separated by tabs): https://bit.ly/2W4qmE3