Entertainment services in the nature of live audio performances by an individual; Entertainment services in the nature of live visual and audio performances, namely, musical, variety, news and comedy shows; Entertainment services in the nature of live vocal performances by an individual; Entertainment services in the nature of live musical performances

[Printed pamphlets, brochures, leaflets, reports, research papers, news letters, instructional and educational and teaching materials presenting data concerning chemical and biological pollutants in indoor air]