Columbia subject headings:
Music--Puerto Rico--History and criticism.
Nationalism in music--Puerto Rico--History and criticism.
Popular music--Puerto Rico--History and criticism.
Protest songs--Puerto Rico--History and criticism.
Salsa (Music)--History and criticism.
Social classes--Puerto Rico--History.
Harvard subject headings:
Princeton subject headings:
Nationalism in music--Puerto Rico--History and criticism.
Popular music--Puerto Rico--History and criticism.
Protest songs--Puerto Rico--History and criticism.
Salsa (Music)--History and criticism.