Agnieszka Tomaszewska graduated with honours from the Stanisław Moniuszko Academy of Music in Gdańsk, subsequently completing a post-graduate programme at the Universität für Musik und darstellende Kunst, Vienna. She was awarded scholarships by the Polish culture ministry and the mayer of Gdańsk; won the first prize at the International Ada Sari International Vocal Artistry Competition (2005); was a finalist of the Stanisław Moniuszko Vocal Competition (2010); and won the Internationale Sommerakademie der University Mozarteum Best Singer Award.
Whilst still a student, she made her opera debut singing Arminda in Mozart's La Finta Giardiniera at Vienna's Schlosstheater Schönbrunn. At the Teatr Wielki – Polish National Opera she sang Susanna (Le nozze di Figaro), Liu (Turandot), and Katya (The Passenger). At the Kraków Opera House she sang Sara (Szymanowski's Loteria na mężów) and Bubikopf (Ullmann's Cesarz Atlantydy). Currently, she is a soloist of the Badische Staatstheater, Karlsruhe, where she creates roles such as: Countess (Le nozze di Figaro), Fiordiligi (Così fan tutte), Micaëla (Carmen), Mimì (La Bohème), Adina (L'elisir d'amore), and Berthe (Meyerbeer's Le prophète). In 2015 she appeared at the Oper Stuttgart as Mimì (La Bohème).
Her rich concert repertoire embraces oratorios spanning from baroque to contemporary pieces. She toured Israel with the Zubin Mehta ensemble, performing Bach's Mass in B minor. She participated in the world premieres of Jan A. P. Kaczmarek's oratorio pieces and took to the stage of Hollywood's Royce Hall alongside Leszek Możdżer to sing during a concert of the composer's film music. She sang at the Salzburger Festspiele, Die hamburger Ostertöne, Hamburger Mozartwochen, and the Festival of Polish Music.
She has sang under the baton of Tadeusz Kozłowski, Gabriel Chmura, Carlo Montanaro, Patrick Fournillier, Jan Latham-Koenig, Alfred Eschwé, Peter Schreier, Stefan Soltesz, Simone Young, and Ernst van Tiel, and has worked with stage directors of different generations, including Keith Warner, David Poutney, Achim Freyer, Holger Müller-Brandes, Nicolas Brieger, Claus Guthem, or Tobias Kratzer.
Ms Romaszewska took part in recording such pieces as Bach's Christmas Oratorio, Boccherini's Stabat Mater (the album was nominated to the 2008 Fryderyk Award), Marek Kuczyński's Gdańsk Oratorio, Szymanowski's Loteria na mężów (DVD, world premiere), and an album of lullabies entitled Śpiewam dzieciom. She has sang for radio and TV broadcasts (TVP, ORF, ARD).
photo: Piotr Rodak