in music, the sound of two or more notes heard simultaneously. Musical sound may be regarded as having both horizontal and vertical components. ... The horizontal aspects are those that proceed during time such as melody, counterpoint (or the interweaving of simultaneous melodies), and rhythm.
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Answer:
D. Harmony
Explanation:
in music, the sound of two or more notes heard simultaneously. Musical sound may be regarded as having both horizontal and vertical components. ... The horizontal aspects are those that proceed during time such as melody, counterpoint (or the interweaving of simultaneous melodies), and rhythm.