Composers like Tallis, Giovanni Gabrieli, and Striggio were sonic architects who wrote polychoral music for up to forty separate voice parts. This week's show presents music for four, eight, twelve, sixteen and FORTY voices, performed by The Huelgas Ensemble and I Fagiolini.

• Samuel Scheidt: Paduan 4. Vocum. Performed by La Fenice, led by Jean Tubery.
• Giovanni Gabrieli: Jubliate Deo. Performed by Liuwe Tamminga, organ.
• Giovanni Gabrieli: Exaudi me Domine. Performed by Huelgas Ensemble, led by Paul van Nevel.
• Giovanni Gabrieli: Canzona XVII a 12. Performed by Musica Fiata, led by Roland Wilson.
• Robert Wylkynson: Jesu autem transiens. Performed by The Sixteen, led by Harry Christophers.
• Michael Praetorius: Jesaja dem Propheten das geschah. Performed by Gabrieli Consort and Players, led by Paul McCreesh.
• Alessandro Striggio: Ecce beatem lucem. Performed by I Fagiolini, led by Robert Hollingworth.
• Anon.: Spem in Alium. Performed by I Fagiolini, led by Robert Hollingworth.
• Thomas Tallis: Spem in Alium. Performed by Huelgas Ensemble, led by Paul van Nevel.
• Antoine Brumel: Kyrie from ‘Missa Et Ecce Terrae Motus’. Performed by The Tallis Scholars, led by Peter Philips.