a French violinist, clarinetist, conductor, and composer. Born Matthäus (French: Matthieu, Mathieu) Blasius, he used Frédéric as his pen name on his publications in Paris. Blasius wrote a number of works for the stage as well as instrumental pieces for Harmoniemusik (music for wind band), concertos with orchestra, and chamber music with a particular emphasis on works for violin, clarinet, and bassoon. He also wrote pedagogical works for clarinet (see next) and bassoon.
