Hildegard - Alma Redemptoris Mater

Sequentia

Sequentia (early music ensemble), Laurie Monahan (mezzo-soprano, vocal), Heather Knutson (vocal), Susanne Norin (vocal), Janet Youngdahl (vocal), Pamela Dellal (vocal), Elizabeth Glen (vocal), Barbara Thornton (vocal), Gundula Anders (vocal)

Sequentia

Sequentia, Diane Severson (vocal), Allegra Silbiger (vocal), Maria Jonas (vocal), Deller Consort, Members of Collegium Aureum, Chorale Ensemble of Schola Cantorum Basiliensis, Emmanuel Bonnardot (vocal), Dominique Vellard (vocal), Gerd Türk (vocal)

Barbara Thornton, Benjamin Bagby, Alfred Deller,...

Harmony of the Spheres

Sequentia, Benjamin Bagby, Barbara Thornton, Margriet Tindemans