Bálešová Mudroňová’s principal field of interest, apart from solo literature, is the performance of chamber music, especially contemporary work. She performs in a piano duo with Ivan Šiller and in the Trio Neue Musik ensemble with Mária Mártonová-Kormanová (ac) and Monika Duarte Štreitová (fl). She regularly participates in festivals at home and abroad. Countries where she has appeared in concert include Slovakia, Czech Republic, Poland, Hungary, Austria, Belgium, Holland, and Germany. She collaborates actively with contemporary Slovak and foreign composers. She has made recordings for Slovak Radio, Czech Radio Ostrava and Radio RBB 3 Germany.
Andrea Bálešová Mudroňová is an initiator and organiser of the international music project Bridge and a co-founder and co-organiser (to 2006) of the projects SPACE and Gallery of Music, Nitra.