Harmony refers back to the "vertical" sounds of pitches in music, which suggests pitches which might be performed or sung alongside one another simultaneously to produce a chord. Typically, this means the notes are played at the same time, Though harmony may also be implied by a melody that outlines https://fima.gov.bd/public/files/assets/ckeditor/kcfinder/upload/files/best-islamic-childrens-songs-of-all-time.shtml