[clarification needed] Complementary studies in composition took place in Berlin with Emil Reznicek.

He worked as a teacher of violin playing and lecturing on theoretical subjects in Poznan and Leszno, and in 1930 he became professor of theory and composition, as well as a special chamber orchestra director in the Poznan Conservatory.

At the same time, he led the composition class at the State Higher School of Music in Wroclaw (in 1955), discussed the Poznan Philharmonic concert programs (1946 - 1956), and organized festivals and competitions nationwide.

The composer's wife was Wanda Lewandowska, the daughter of well-known druggist Louis Lewandowski.

Stefan Boleslaw Poradowski died[clarification needed] on 9 July 1967 in Poznan.