What is the best way to describe a Gregorian chant? A. Haunting sounds without harmony B. Melodic song that included chords C. Musical arrangement sung in harmony D. Repetitive tune by a single person

What is the best way to describe a Gregorian chant? A. Haunting sounds without harmony B. Melodic song that included chords C. Musical arrangement sung in harmony D. Repetitive tune by a single person