On the Liturgy
History of Chant
"Gregorian Chant as a Paradigm of Sacred Music
133 (2006) 5-14.
Gregorian Chant and the Carolingians
"Court Will Begin at Half-Way Terce: Keeping Time in High Medieval Europe"
On the Guidonian Hand
Graphic Image of the Notes and Syllables
Here on Earth,” July 17, 2008
, “Gregorian Chant Hits the Top of the British Pop Chart”
, The Church Music Association of America.