41 Educational services, namely, conducting classes and seminars in the fields of arts, sports, science, planning, management, promotion of sports contests and competitions, namely, snowboarding, skateboarding, surfing, windsurfing, skysurfing, hang gliding, in-line skating, bicycling; entertainment in the nature of sports contests, competitions, exhibitions, namely, snowboarding, skateboarding, surfing, windsurfing, skysurfing, hang gliding, in-line skating, bicycling; production of radio and television programs, music concerts, live musical performances