Title: Fifteenth Century Liturgical Music, IV: Early Masses Amd Mass-pairs
Subjects: Sacred vocal music, Holy Week music, Excerpts, Unaccompanied Masses, Sacred Part songs, Antiphons (Music), Easter music, Agnus Dei (Music), Scores, Hymns, Masses, Motets, Sanctus (Music), Choruses (Equal voices), Unaccompanied, Choruses (Mixed voices, 2 parts), Unaccompanied, Choruses (Mixed voices, 3 parts), Unaccompanied, Choruses (Mixed voices, 4 parts), Unaccompanied