Grażyna Bacewicz Biernacka was a Polish composer and violinist of Lithuanian origin. She is the second Polish female composer to have achieved national and international recognition, the first being Maria Szymanowska in the early 19th century.

Juliette Nadia Boulanger was a French music teacher, conductor and composer. She taught many of the leading composers and musicians of the 20th century, and also performed occasionally as a pianist and organist.