A group of people who come together to play music. Often comes in two forms in popular usage:
1. A high school band. These tend to be tight-knit groups of kids who all either love or hate what they do. Their shows tend to show great musical skill and/or choreography.
2. A rock band. These tend to be tight-knit groups of people who all either love their music or the money they earn from it. Their shows are either dull or explosive.
band definition by Urban Dictionary