Ingeborg Hallstein - Miraculous Coloraturas & Crystal Clear High Notes (C6-Bb6)
15:53
Natalie Dessay - Highest Notes: C6 - A6
7:39
RARE! Ingeborg Hallstein - I Commedianti (Mayr) - F6, F#6 high notes!
1:20:52
Nico Dostal Gala 1975 - Ingeborg Hallstein, René Kollo, Zarah Leander
5:09
Ingeborg Hallstein's Phenomenal G6 (Pianissimo and Forte)
4:03
Ingeborg Hallstein; "Strahlender Mond"; DER VETTER AUS DINGSDA; Eduard Künnecke
15:37
What Opera's 11 Types of Female Singers Sound Like (w/examples!)
42:19
Ingeborg Hallstein: Walzerträume (High Quality)
13:53