Public relations; publicity services; publicity agencies; advertising services; advertising agencies; layout services for advertising purposes; rental of advertising space; bill-posting; outdoor advertising; on-line advertising services on a computer network; television advertising services; production of television commercials; radio advertising services; production of advertising films; writing of publicity texts; marketing; marketing research; business research; organization of exhibitions for commercial or advertising purposes; publication of publicity texts; advertising services by mail order; rental of advertising time on communication media; sponsorship search; telemarketing services; entertainment marketing services, namely, marketing, promotion and advertising for recording and performing artists