Graduated from the Academy of Music in Łódź at the Vocal and Acting Department in the class of Prof. Krzysztof Bednarek, as well as the Instrumental Department, where she studied classical guitar with Prof. Jacek Dulikowski. She took part
in master classes with: Teresa Żylis-Gara, Izabela Kłosińska, Olga Pasiecznik, Anna Sims, Ryszard Karczykowski and Udo Raineman. She has also perfected her vocal skills under the direction of outstanding singers and pianists: Joanna Woś, Jolanta Bibel, Ewa Biegas, Agnes Zwierko, Zofia Witkowska, Jarosław Bręk, Ella Susmanek and Mariusz Rutkowski.

She debuted as Pamina in Mozart’s The Magic Flute conducted by Dariusz Mikulski for the Toya’ Television in Łódź. In cooperation with the Sudeten Philharmonic
in Wałbrzych, she performed the role of Zerlina in the Mozart’s opera Don Giovanni and Annina from La Traviata by Verdi. As a soloist, she collaborated with the Opera at the Castle of Szczecin.

Agnieszka Kadłubowska’s repertoire includes roles in operas by W.A. Mozart, such as: Countess (The Marriage of Figaro), Donna Elvira, Zerlina (Don Giovanni), Pamina (The Magic Flute), as well as Liu (G. Puccini’s Turandot), Micaela (G. Bizet’s Carmen), Antonina (J. Offenbach’s The Tales of Hoffmann) and Roxana (K. Szymanowski’s King Roger).

On the 200th anniversary of birth of Stanisław Moniuszko, she performed in the project I like Moniuszko at the Warsaw Philharmonic. On the occasion of 100th anniversary of birth of the composer Tadeusz Paciorkiewicz, she performed the second soprano in the composition Trzy freski nadmorskie hommage a Tadeusz Paciorkiewicz by Alicja Gronau at the Podlasie Opera and Philharmonic in Białystok.

As a soloist, she cooperated with the International Symphonic Orchestra
Unification of Cultures, which was established as a project of the Marshal’s Office
of the Mazowieckie Voivodship and the Spanish Ambassador to Poland. During
the Encounters of Cultures Festival Caper Lublinensis, she was invited by the
H. Wieniawski Philharmonic in Lublin to perform the soprano part in G.B. Pergolesi’s Salve Regina in C minor.