M

[ compact disc cases; ] audio and video system equipment, namely, tuners, receivers, amplifiers [, tape players, ] compact disc players, [ mixers, monitors, microphones, and speakers ] ; compact discs [ and tapes containing music ]

[ installation and maintenance of background music systems, audio communication systems, and video display systems ]

radio and satellite broadcasting of music, information and data for business use

production of programmed music and video displays for subscribers; audio and video recording and production services for others