The week, Trio Mediaeval treats us to a 13th century Mass from the Abbey of St. Mary's, Worcester. This music survived destruction during the English Reformation because it was cut up and used as binding material for other codices, where it waited to be rediscovered in later centuries. 

• Anon.: Salve sancta parens. Performed by Trio Mediaeval.
• Anon.: Kyrie. Performed by Trio Mediaeval.
• Anon.: Gloria. Performed by Trio Mediaeval.
• Anon.: Munda Maria. Performed by Trio Mediaeval.
• Anon.: Sponsa rectoris omnium on. Performed by Trio Mediaeval.
• Anon.: O sponsa Dei electa. Performed by Trio Mediaeval.
• Anon.: O Maria virgo pia. Performed by Trio Mediaeval.
• Anon.: Benedicta/ Virgo Dei genetrix. Performed by Trio Mediaeval.
• Anon.: Felix namque. Performed by Trio Mediaeval.
• Anon.: Salve rosa florum. Performed by Trio Mediaeval.
• Anon.: Grata iuvencula. Performed by Trio Mediaeval.
• Anon.: Inviolata integra mater. Performed by Trio Mediaeval.
• Anon.: De supernis sedibus. Performed by Trio Mediaeval.
• Anon.: Dulciflua tua memoria. Performed by Trio Mediaeval.
• Anon.: Agnus Dei. Performed by Trio Mediaeval.
• Anon.: Alleluya V. Nativitas. Performed by The Hilliard Ensemble.
• Anon.: Kyrie, Rex virginum. Performed by The Hilliard Ensemble.
• Anon.: Agnus Dei, Factus homo. Performed by The Hilliard Ensemble.
• Anon.: Perspice Christicola. Performed by The Hilliard Ensemble.