LINKS ON MUSIC NOTATION

 

Hucbald of St. Amand in the Catholic Encyclopedia

Odo von Cluny in the Classical Composers Database

Guido of Arezzo (Grove excerpt)

Guido of Arezzo in the Catholic Encyclopedia

LINKS ON TROPES AND SEQUENCES

Notker "the Stammerer" on Sequences

Responsories and Sequences

LINKS ON EARLY POLYPHONY

Medieval Music - Birth of Polyphony (Stanford University)

Early Polyphony: Notre Dame Organum Hac dies Listening Sample

Thirteenth Century Polyphony Quick Guide to Combinations and Cadences