Columbia subject headings:
Popular culture--Latin America.
Popular culture--Portugal.
Popular culture--Spain.
Singers--Latin America--Interviews.
Singers--Portugal--Interviews.
Singers--Spain--Interviews.
Songs, Portuguese--History and criticism.
Songs, Spanish--History and criticism.
Harvard subject headings:
Popular music--Iberian Peninsula--20th century--History and criticism.
Popular music--Iberian Peninsula--21st century--History and criticism.
Popular music--Latin America--20th century--History and criticism.
Popular music--Latin America--21st century--History and criticism.
Princeton subject headings:
Interviews.
Popular culture--Latin America.
Popular culture--Portugal.
Popular culture--Spain.
Singers--Latin America--Interviews.
Singers--Portugal--Interviews.
Singers--Spain--Interviews.
Songs, Portuguese--History and criticism.
Songs, Spanish--History and criticism.