The differences between Old-Roman, Ambrosian, Aquileian, Gallican, and Hispanic chant, and their interconnections with each other and the Gregorian chant occupi

The origin and development of Western plainchant, and of the genres of liturgical book in which it is recorded, have occupied Michel Huglo throughout his long c

The bibliography includes material published from 2004 to 2006. The historical chronology now includes the fourth century, covering Iberian Fathers such as Greg

The tradition of Old Hispanic liturgical chant is here examined through a new methodology, enabling striking new insights into its use.