(a) As used in this Article, the term "talent agency" means a person or corporation who engages in the occupation of procuring, offering, promising, or attempting to procure employment or engagements for an artist or artists. Talent agencies may, in addition, counsel or direct artists in the development of their professional careers.
(b) As used in this Article, the term "artists" means actors and actresses rendering services on the legitimate stage and in the production of motion pictures, radio artists, musical artists, musical organizations, directors of legitimate stage, motion picture and radio productions, musical directors, writers, cinematographers, composers, lyricists, arrangers, models, and other artists and persons rendering professional services in motion picture, theatrical, radio, television, and other entertainment enterprises.