What is a cantus firmus?

(1 point)
Responses

the main melody of a chanson
the main melody of a chanson

a type of medieval instrument
a type of medieval instrument

the main melody of a mass
the main melody of a mass

a type of dance

Which word means the simultaneous sounding of two or more melodic voices?
(1 point)
Responses

cantus firmus
cantus firmus

Kyrie
Kyrie

imitation
imitation

counterpoint

A B C OR D

C. imitation