Columbia subject headings:
Fados--Portugal--History and criticism.
Singers--Portugal--Biography.
Harvard subject headings:
Fados--Discography.
Fados--Portugal--Pictorial works.
Folk music--Portugal
Guitarra portuguesa.
Musicians--Portugal--21st century.
Popular music--Portugal--21st century.
Singers--Portugal--21st century--Biography.
Singers--Portugal--21st century--Interviews.
Princeton subject headings:
Fados--Portugal--History and criticism.
Singers--Portugal--Biography.