When sounds are combined--when they are played or sung at the same time, is created.

Answer 1

When sounds are combined and played or sung at the same time, a phenomenon called "harmony" is created. Harmony occurs when different musical notes or tones are heard simultaneously, resulting in a pleasing or meaningful combination of sounds. The way sounds blend together can evoke different emotions, moods, and sensations, contributing to the overall richness and depth of music. Harmony is fundamental to various aspects of music composition, performance, and appreciation.