Harmony refers to the "vertical" Appears of pitches in music, which implies pitches which have been performed or sung with each other concurrently to create a chord. Ordinarily, This implies the notes are played concurrently, While harmony may be implied by a melody that outlines a harmonic composition (i.e., by https://my.bankstreet.edu/ICS/icsfs/the-most-popular-types-of-audio-formats-today.html?target=47876a17-5f4e-443d-8182-66e8ecbf03c3