Columbia subject headings:
Harvard subject headings:
Choruses, Secular (Mixed voices) with instrumental ensemble.
Choruses, Secular (Mixed voices), Unaccompanied.
Christmas music.
Folk songs, Spanish--South America.
Masses.
Psalms (Music)--150th Psalm.
Vocal music--South America--20th century.
Princeton subject headings:
Choruses, Secular (Mixed voices) with instrumental ensemble.
Choruses, Secular (Mixed voices), Unaccompanied.
Masses.
Vocal music--Latin America.