Columbia subject headings:
Harvard subject headings:
Ballads, Spanish.
Instrumental ensembles.
Music--Spain--15th century.
Part songs, Spanish.
Songs (High voice) with instrumental ensemble.
Villancicos (Music)
Princeton subject headings:
Instrumental ensembles.
Music--Spain--15th century.
Romances (Music)
Songs (High voice) with instrumental ensemble.
Villancicos (Music)