Olivier Messiaen was a French composer and ornithologist known for his innovative use of bird songs and religious themes in his music.
Nikolaus Harnoncourt was an Austrian conductor, known for his historically informed performances and his dedication to authentic interpretations of classical music.
Franz Schalk was an Austrian conductor, instrumental in the development and promotion of the music of Richard Strauss and Gustav Mahler.
Fritz Kreisler was an Austrian-born American violinist and composer known for his virtuosic playing and romantic style.