Music, in this sense, actually refers to the audio perception from your favorite songs, remixes, or renditions. It can affect the brain significantly, and vicariously through that may influence the body. Euphoria or de-stressing to tunes should be evidence of this.
Music is most often used for
Music is best defined as an abstract stimulus that we perceive with our ears, and then form patterns with our minds that results in a completely unique experience.
Loud and to your liking, but not enough to destroy your ear drums.