On Continuum this week will be a special program devoted the Gregorian Chant, from a ten-CD set of the History of Music.
Specifically, this volume covers musical Europe in the era of Gregorian unification. Performers included Anonymous 4, The Deller Consort, Ensemble Organum, and The Theatre of Voices.
The recording used is HarmoniaMundi Volume 3 of the Century Collection (no catalog number given).