Entertainment in the nature of visual and audio performances, namely, musical band, rock group, gymnastic, dance, and ballet performances; Entertainment services in the nature of recording, production and post-production services in the field of music; Entertainment, namely, live performances by a musical band; Live performances by a musical group; Production of musical sound recording

fiber-optic telecommunications signal converters, transceiver cards for extending fiber-optic telecommunications transmissions, and user manuals sold as a unit the foregoing