I.
In Catholic usage, German Choral is a collective term for the genuine liturgical music of the Western Latin liturgies (Liturgy). The music for the Gallo-Roman liturgy, which developed c. 750 in France (Metz), was initially called cantus romanus (Charlemagne) or cantilena romana (Paul the Deacon); later, on the basis of a legend concerning its origin, it came to be called Gregorian (the trope Gregorius praesul, c. 800; John the Deacon, 878). After the 12th century, other synonymous terms were used, prima…