Ingeborg Hallstein sings in the Stratosphere as easily as she Speaks (E6s, F6s, F6# s, G6 / Mayr)
Disclaimer - I own nothing

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Ingeborg Hallstein - Ich bin die Christel von der Post 1973

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Ingeborg Hallstein - Bellini: NORMA, Casta diva, circa 1972

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Ingeborg Hallstein's Transparent Insane Stratosphere

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Ingeborg Hallstein Una voce poco fa In German

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Ingeborg Hallstein - Meyerbeer: DINORAH, Shadow Song (live, in German), Munich 1967

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Ingeborg Hallstein sings Proch's 'Air et Variations' deh torna mio bene

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Cecilia Bartoli on Her Voice, Mother as Teacher & Herbert von Karajan Discovery (1996)

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Ingeborg Hallstein - Random Compilation

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The PolyPrismatic Metaphysical Nature of Ingeborg Hallstein's Stratosphere

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莫特特Popoli di Tessaglia 女高音霍斯坦

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Ingeborg Hallstein - The Minute Waltz (Chopin) - 1973

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Rainelle Krause sings 'Der Hölle Rache' in Die Zauberflöte | Dutch National Opera

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Ingeborg Hallstein sings two versions of Il Bacio (2nd crazy Acuto Sfogato)

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Ingeborg Hallstein's Phenomenal G6 (Pianissimo and Forte)
![[Repost] Ingeborg Hallstein - Proch's Variations: Deh, Torna Mio Bene - High E flat, High F](https://i.ytimg.com/vi/EWbhCyIPFGU/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLBs-q9eiBIxEcX8z5dJiEEic_Bc2A)
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[Repost] Ingeborg Hallstein - Proch's Variations: Deh, Torna Mio Bene - High E flat, High F

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INGEBORG HALLSTEIN, Amsterdam concert 1967 (Werner Egk-Puccini...)
![[RARE] Ingeborg Hallstein sings a barely human aria with ease](https://i.ytimg.com/vi/slUJ-SeTN34/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLB5cfM6VqWLHzczv561tKUS0MmCaw)
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[RARE] Ingeborg Hallstein sings a barely human aria with ease

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Ingeborg Hallstein - An der Donau, wenn der Wein blüht | Live, 1970

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Ingeborg Hallstein floats Mozart’s love barcarolle

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