Question

What do we call two or more pitches or melodies sounding at the same time?

Answer 1

Harmony is two or more notes played together at the same time.

As soon as there is more than one pitch sounding at a time, you have harmony. ..

In music, harmony is the use of simultaneous pitches (tones, notes), or chords.

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Answer 2

Explanation:

Harmony is a noun that describes an agreement, such as in feeling, sound, look, feel, or smell. ... It's necessary for roommates to be able to live in harmony in a small space, or they're in for a wake-up call. In music, harmony is a pleasing combination and progression of chords.