Question

1. in the later middle ages, musicians and singers gradually began to add harmonies to chants. what did this action most likely mean for music at that time?

monophonic music was played more often.
polyphonic music became more popular.
organum music suddenly lost its popularity.
lyrical poetry made a strong comeback.

Explanation:

Monophonic music has a single melodic line. Adding harmonies (multiple melodic lines) is characteristic of polyphonic music. Organum is a type of early polyphonic music and adding harmonies would not make it lose popularity. Lyrical poetry is not directly related to adding musical harmonies.

Answer:

B. Polyphonic music became more popular.