It was popularized during the reign of Gregory IV
a gregorian chant was used as the base part for the motet and was called the cantus firmus
Gregorian chant is beautiful and prayerful music.
'Polyphony' does not describe Gregorian chant.
Responsorial
Gregorian chant or Plaint chant is known as monophony. Many voices, unaccompanied, and all singing in unison.
syllabic
The Gregorian chant originated in the 9th and 10th centuries in Western Europe as the official music of the Roman Catholic Church. It reached its peak during the medieval period and continues to be used in liturgical settings to this day.
monophonic
Gregorian chant
Plainchant, Gregorian chant, monophonic chant, plainsong.
nope. Gregorian chant is the central tradition of Western plainchant, a form of monophonic liturgical chant of Western Christianity that accompanied the celebration of Mass and other ritual services.
because it is.