[2] She continued her studies in Paris on a scholarship from the French government and became a student of Nadia Boulanger, Olivier Messiaen and Pierre Schaeffer (1968–70).

She joined the electroacoustic Groupe de Recherches Musicales and wrote her doctoral thesis "Mathematics and Logic in Contemporary Music" at the Sorbonne.

After completing her studies in France, she settled in Belgium with her husband, Horst-Jürgen Tittel, former top advisor to the president of the European Commission.

Bruzdowicz had a long-standing creative relationship with French film director Agnès Varda, for whom she composed soundtracks for movies from Sans Toit Ni Loi (engl.

More recently, her music could be heard in her second collaboration with director Yves Angelo, Les Ames Grises (engl.