Why Gregorian chant is sacred music?

Gregorian chant, monophonic, or unison, liturgical music of the Roman Catholic Church, used to accompany the text of the mass and the canonical hours, or divine office. Gregorian chant is named after St. Gregory I, during whose papacy (590–604) it was collected and codified.

Explanation:

hope this helps ;)

Gregorian chant has been a considerable part of sacred music since the 9th and 10th centuries. The melancholy beauty of its chorus pervaded the vast worship halls of great early European churches and echoes into modern music in classical forms that somehow still ring true.

In this post, we’re going to attempt to give a detailed examination of the history and characteristics that define Gregorian chant, then and now.

Gregorian Chant was initially formed in the 9th century, after the death of Pope Gregory I who’s generally credited with inventing it.

for many centuries, the catholic church has been a patron of the arts. the church has used various scientific methods to maintain its power.

not 100% sure though!