Ingeborg Hallstein's Transparent Insane Stratosphere
7:39
RARE! Ingeborg Hallstein - I Commedianti (Mayr) - F6, F#6 high notes!
22:14
What made Maria Callas' sound so unique? Vocal coach analysis of "Casta Diva"
6:36
Ingeborg Hallstein sings La traviata (1972, in Italian)
6:24
Ingeborg Hallstein dances her Rosina up in the Stratosphere
5:24
Sabine Devieilhe - les oiseaux dans la charmille
1:20:52
Nico Dostal Gala 1975 - Ingeborg Hallstein, René Kollo, Zarah Leander
7:39
Ingeborg Hallstein sings two versions of Il Bacio (2nd crazy Acuto Sfogato)
11:41