Harmony refers back to the "vertical" Seems of pitches in music, which suggests pitches that are played or sung jointly at the same time to produce a chord. Ordinarily, This suggests the notes are played at the same time, although harmony might also be implied by a melody that outlines https://cx.usiu.ac.ke/ICS/icsfs/mp3-player-advantages-disadvantages.html?target=336e0e58-87e0-42aa-990c-e053cffdb73b