Plainchant (noun)

A form of monophonic, unaccompanied vocal music that is typically associated with the Christian liturgical tradition, particularly the Roman Catholic Church.

Origin:

Derived from the latin "cantus planus" meaning "plain song", plainchant is a form of monophonic, unaccompanied vocal music that is typically associated with the christian liturgical tradition, particularly the roman catholic church.

Examples:

1. The choir sang plainchant during the mass.
2. Plainchant is considered to be the oldest form of Western music.
3. The plainchant was sung in unison by the monastic choir.
4. The plainchant had a hypnotic effect on the listeners.
5. The plainchant was harmonically simple but emotionally powerful.