To this day, Gregorian chant remains at the bedrock of the Latin mass, as well as the development of Western music overall. After the organist’s prelude and a hymn for the whole congregation ...

Gregorian: Pure Chants in Concert is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku ...

The term monophonic can be used for single lines - this could be solo, unison or octave doubling. Gregorian chant is monophonic - all the monks sing the same melody together.