Dramatic Soprano

“Agnes Thorsteins, a soprano from Iceland is in an even higher vocal weight class. She is a singer who, after changing from Mezzo-soprano to dramatic soprano, is getting her first taste of Brünnhilde in Koblenz.
You can still hear that her voice is in a transition phase - the remarkably calm vocal line paired with enormous, metallically shimmering top notes give hope for a successful career for the still very young singer." 

Claus Ambrosius: Rhein-Zeitung, 2025-02-10

“Agnes Thorsteins celebrated a very special premiere as Senta, who sang this difficult role for the first time and mastered it with flying colors.” 

Michael Otterbein - CreVelt, 2024-02-06

But let’s get back to the Dutchman’s monologue. Johannes Schwärsky sings this wonderfully, and when the grown-up Senta, the magnificently singing Agnes Thorsteins (a name that you will hear a lot about!) later join in, then I am talking about a “dream team”.” 
Peter Bilsing - Der Opernfreund, 2024-01-23

All Senta! - one would like to exclaim euphorically from the Krefeld premiere of Wagner's "The Flying Dutchman". Not least because of the successful Wagner debut of the Icelandic soprano Agnes Thorsteins in that role, both singing and acting. And because of the focus of the production on that character.…” 
Christian Oscar Gazsi Laki - Westdeutsche Zeitung, 2024-01-23

"...But, as already mentioned at the beginning, this production is not only a triumph for Senta's role. The guest soloist Agnes Thorsteins, who plays her, also delivered her calling card here as a great Wagner talent. Her voice has enormous potential that she was able to develop in the most beautiful way. Clear, clean and, above all, effortless heights are combined with successful pronunciation and an unmistakable feeling for Wagner's "tone". This is spiced up with an effervescent acting joy and a presence. And it really means something when you manage to outshine charismatic singers like the fantastic “Dutchman” Johannes Schwärsky"
Christian Oscar Gazsi Laki - Westdeutsche Zeitung, 2024-01-23

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“Agnes Thorsteins makes a brilliant debut. She lets the fighting spirit and excitement shine, sets the top notes with elegance and power. Her ballad is a gem in a sparkling crown of sound. It's an evening full of Wagnerian power.” 
Petra Diedrichs - Die Rheinische Post, 2024-01-22

"You can only project close-up photos of artists on a big screen if you have a dream team like Agnes Thorsteins and Johannes Schwärsky in the main roles.”
Markus Lamers - Der Opernfreund, 2024-01-22

"All the innocence and longing of a young girl for whom love is most important and her psychological breakdowns were impressively portrayed by the Icelandic dramatic soprano Anes Thorsteins. She is one of the students from Dunja Vejzović's excellent singing pedagogic class, to whom she thanks this important debut in the role of Liza, and with which she will surely soon conquer the world's great opera stages.”
Glazba, Jana Haluza, 2023-06-18

“Cherubino, Agnes Thorsteins, one can only praise above the clover, she is so irresistibly multifaceted”
Schaffhauser Nachrichten, 2016-23-03