Schola Gregoriana of Cambridge

Angels from the Vatican: The Invisible Made Visible

12th-Century Chant

The Martyrdom of Saint Thomas Becket

The Ceremony of the Shepherds and Midnight Mass

Gregorian Chant: Like the Sun in His Orb

Machault: Messe de Nostre Dame

The Coming of Augustine A.D. 597: "Not Angles, but Angels"