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"Hermann Levi was a defender of Mozart’s operas. As was the custom in his day, Fiordiligi’s aria (from Così fan tutte) was performed in German in an arrangement he had made. South-African Johanni van Oostrum was glorious casting for this aria, she is a celebrated Elsa (Lohengrin) and has powerful high notes, plenty of colour and great care for the Mozartian line." 

Antoine, Leboyer,"Krill petreko plays tribute to Hermann Levi", in: Seen and heard International, 24.07.2021

“The South African soprano Johanni van Oostrum showed a voice with attractive colors and with a firm chest, a sonorous and lustrous center and secure high tones. Van Oostrum has a natural elegance on stage that is reminiscent of the character of Marschallin in der Rosenkavalier, a role that she has frequently portrayed. The South African sings in style, without forcing her attractive timbre with clear delivery and remarkable projection”.

Jordi Maddaleno, Ariadne auf Naxos Liceu Barcelona,Platea Magazine, 15.10.2021





2021/22 season

Debut as Ariadne at The Gran Teatre del Liceu in Barcelona, her portryal of Agathe at National Oper&Ballet Amsterdam under the baton of Riccardo Minasi in a staging by Kirill Serebrennikov, Elsa at the Bolshoi Theater in Moscow, Zemlinsky's Lyric Symphony in Prague and Beethoven's 9th Symphony in the Royal Festival Hall London conducted by Jakub Hruša with the Philharmonia Orchestra. 


For the full schedule and tickets

South African soprano Johanni van Oostrum is in demand as interpreter of leading roles in operas by Mozart, Wagner, Janáček and Strauss. She has performed under conductors such as Sir Simon Rattle, Ivor Bolton, Massimo Zanetti, Henrik Nánási, Antonello Manacorda...



- Elsa -


February 25,28

March 3



- Agathe -


June 7, 9, 12, 14, 18, 21, 25


Alle video's
Johanni van Oostrum, von Weber: Und ob die Wolke sie verhülle, Der Freischütz
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September Vier Letzte Lieder Richard Strauss Johanni van Oostrum
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Der Rosenkavalier - "Die Zeit"  - DNO - Sir Simon Rattle
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"E Susanna non vien...Dove Sono.." Le nozze di Figaro Mozart Johanni van Oostrum
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