RARE! Ingeborg Hallstein - I Commedianti (Mayr) - F6, F#6 high notes!
6:28
Ingeborg Hallstein's Transparent Insane Stratosphere
14:24
Ingeborg Hallstein & Christa Ludwig - Fidelio (Beethoven)
13:53
[Vocal Range] Ingeborg Hallstein's Full Vocal Range (F3-Bb6)
5:22
Who Sang The "O Zittre Nicht" High F Best?
7:36:39
Maria Callas - 90 Opera Arias, Carmen, Norma, Tosca, Traviata, Butterfly.. NEW MASTERING (Ct.rec.)
5:03
Ingeborg Hallstein - Frühlingsstimmen Walzer (Voices of Spring) - J. Strauss - G#6, F#6 staccato!
4:48
Ingeborg Hallstein - Miraculous Coloraturas & Crystal Clear High Notes (C6-Bb6)
4:36