Cal. Bus. & Prof. Code § 23550
For purposes of this article:
(c) “Music entertainment facility” means a publicly or privately owned live performance venue, concert hall, auditorium, or an enclosed arena where music or entertainment events are presented for a price of admission. The facility does not have to be used exclusively for music or entertainment events. A venue is not a “music entertainment facility” for purposes of this article unless it satisfies all of the following criteria:
(3) The facility employs one or more individuals to serve not less than two of the following roles: