PFAHL, M. Giving away music to make money: Independent musicians on the Internet. First Monday, [S. l.], v. 6, n. 8, 2001. DOI: 10.5210/fm.v6i8.880. Disponível em: https://firstmonday.org/ojs/index.php/fm/article/view/880. Acesso em: 1 feb. 2023.