Educational services, namely, classes and seminars in the field of music and art, and course materials distributed therewith; training services in the field of music and art and course materials distributed therewith; [ organization of events, exhibitions, and shows for cultural, educational, entertainment purposes; ] educational examination services; organizing and conducting educational conferences, lectures, demonstrations, training and educational programs, seminars, and workshops in the ...

interactive sound system comprising sensors, a control box and a speaker for prerecorded digital sounds