James Petrillo (1892-1984) was an influential American musician and union leader, best known as the president of the American Federation of Musicians (AFM) from 1940 to 1959. Though primarily associated with jazz and popular music, his impact on the music industry extended beyond performance. Petrillo is recognized for his advocacy for musicians' rights and fair compensation, which played a pivotal role in shaping labor relations in the music industry. Notable works include his leadership during the AFM recording ban from 1942 to 1944, where he protested against the exploitation of musicians by record companies, significantly affecting the recording landscape and ultimately leading to better contracts and pay for artists. He also oversaw the establishment of initiatives that supported musicians in receiving royalties from radio and television performances. Petrillo's impact on music was profound, as he fought for the rights of performers, ensuring that their contributions were acknowledged and compensated fairly. His efforts helped to elevate the status of musicians, making him a key figure in the history of labor relations in the arts, particularly within the jazz and popular music scenes of the 20th century.