She performed in a trio with violinist Leopold Auer and cellist Aleksandr Verzhbilovich, as well as performing in chamber groups and often appeared with violinist Stanisław Barcewicz. She gave concerts in Russia, Germany and Poland. Jaczynowska was praised for her interpretation of works by composers such as Chopin, Beethoven and Schumann. She was considered one of the best performers of Zygmunt Noskowski's Piano Quartet in D minor.[3][2][1]