41 Organization of exhibitions for educational purposes, upbringing, qualification, conception, audio and video production and photography, arranging and conducting of seminars, workshops and coachings for further training and continuing education, in particular for addiction prevention, drug counselling services and health promotion; publishing services like publications of texts, books, brochures, manuscripts, printed teaching materials and printed matter (including electronic form) in particular for addiction prevention, addiction research (regarding the cultural historical, evolutionary, economic, geopolitical and current dimension); providing on-line electronic publications, not downloadable, like weblogs and videos; production of films for television and cinema; publication of electronic books and journals on-line; theater productions; theater entertainment; musical performances; reservation and booking services for theatre tickets; theatre services; production of musical videos; production of video-tapes