It is known as the Middle Ages or ―Dark Ages that started with the fall of the Roman Empire.

It is the basic element of Western and Eastern systems of musical notation prior to the invention of five-line staff notation.

It is vocal music named after Pope Gregory I, who made this the approved music of the Catholic Church.

Secular music which was not bound by Catholic traditions

He was a French composer who is considered one of the oldest secular composers.

It is the element of TIME in music

It is an element that focuses on the HORIZONTAL presentation of the pitch.

It refers to the number of individual musical lines (melodies) and the relationship these lines have to one another.

It refers to the quality of sound that distinguishes one voice or instrument from another.

It is the structure of music