Maria Mitrosz consistently works with the National Philharmonic Orchestra, with the choir of the Catholic-Theological Academy in Warsaw and with the Stanisław Moniuszko Concert Orchestra of the Polish Army with which she has already produced a CD and performed the famous 1848 opera Halka alternating with fellow Polish soprano Ewa.
lyrics, including the popular Piosenki sielskie (Idyllic Songs, 1830), which have been set to music by Frédéric Chopin (see Polish songs by Frédéric Chopin), Stanisław Moniuszko and others;
Stanisław August Poniatowski | Stanisław Lem | Stanisław Ignacy Witkiewicz | Stanisław Jerzy Lec | Stanisław Skrowaczewski | Stanisław Wyspiański | Stanisław Poniatowski | Stanisław Moniuszko | Stanisław Bułak-Bałachowicz | Stanisław Staszic | Stanisław Potocki | Stanisław Ossowski | Stanisław Szczęsny Potocki | Stanisław Mikołajczyk | Stanisław Maczek | Stanisław Leszczyński | Stanisław Kulczyński | Stanisław Kostka | Stanisław Grzmot-Skotnicki | Stanisław Baran | Jan Stanisław Bystroń | Stanisław Witkiewicz | Stanisław Tymiński | Stanisław Tatar | Stanisław Przybyszewski | Stanisław Lubomirski (1704–1793) | Stanisław Lubomirski | Stanisław Grabski | Stanisław Chlebowski | Andrzej Stanisław Załuski |
She has also performed at many concerts and recitals, and recorded Joseph Haydn, Puccini and Stanisław Moniuszko, as well as songs by Boguslawski for Polish Radio.
Groundbreaking productions in natural settings included the Straszny Dwór opera performance at the Renaissance Courtyard of the Niepołomice Castle in 2002 and 2003; Madame Butterfly was staged in the depths of the centuries-old Wieliczka Salt Mine in 2003, while Tosca by Puccini and Straszny Dwór (The Haunted Manor) by Stanisław Moniuszko were performed against the arresting background of the Wawel Royal Castle in 2005.