Columbia subject headings:
Music and literature--Ecuador.
Pasillos--History and criticism.
Pasillos--Texts.
Popular music--Ecuador--History and criticism.
Songs, Spanish--Ecuador--Texts.
Harvard subject headings:
Dance music--Ecuador--History and criticism.
Music--Ecuador--History and criticism.
Pasillos--History and criticism.
Pasillos--Texts.
Songs--Ecuador--Texts.
Princeton subject headings: