harmony
noun
[ ˈhɑːməni ]
• the combination of simultaneously sounded musical notes to produce a pleasing effect.
• "the piece owes its air of tranquillity largely to the harmony"
• an arrangement of the four Gospels, or of any parallel narratives, which presents a single continuous narrative text.
Origin:
late Middle English: via Old French from Latin harmonia ‘joining, concord’, from Greek, from harmos ‘joint’.
