New York Concert Review | Carnegie Hall, 2017

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« An amazing surprise … Ortega is an extremely gifted coloratura soprano with a warm, powerful, and flexible sound ... Kollmeier provided unfailing support with a sensitive ear and excellent timing ... A large, appreciative audience gave a standing ovation ... »

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Pizzicato | Philharmonie Luxembourg, 2018

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« ... With a terrific stage presence and highly communicative singing ... Duo Rosa's show was a smashing success. »

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Scherzo Magazine | El Ateneo de Madrid, 2017

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« ... A perfect, unique model of musical collaboration. »

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