Notre Dame de Paris
Flying Bu5resses And Gothic Choirs
Gregory the Great Carlo Saraceni c 1610
Guido d’Arezzo (994-1033)
Perotin Alleluia Nativitas c 1200
The Cistercian Monks Of Stift Heiligenkreuz http://www.youtube.com/watch?v=12BKIJq3BoA&feature=fvw Perotin Alleluia Nativitas http://www.youtube.com/watch?v=EJxRDhejtwo