Marcel Mule (1901-2001) was a French saxophonist renowned for his pioneering contributions to the classical saxophone repertoire and its acceptance as a legitimate concert instrument. He primarily performed in the genre of classical music and played a significant role in expanding the saxophone’s role within orchestral and chamber music settings. Mule studied at the Paris Conservatory and became the first saxophonist to gain prominence in concert performances. He founded the Saxophone Quartet in 1932, which helped popularize the instrument. Notable works associated with Mule include his interpretations of compositions by French composers such as Claude Debussy and Paul Creston, as well as his efforts in commissioning new works for saxophone. Mule’s impact on music extends beyond performance; he was also an influential teacher, shaping generations of saxophonists through his pedagogical methods. His legacy includes the establishment of the first saxophone class at the Paris Conservatory, which has influenced the development of saxophone education worldwide. Through his advocacy and artistry, Mule played a crucial role in elevating the saxophone’s status in classical music, leading to its broader acceptance across various musical genres.