What is the fine-grained topic of the following text: Linder facilitated all technical, production, decor, and staging needs, bringing together more than 400 performers and production crew members over the course of 3 days to develop an emotionally resonant performance for over 800 gala attendees and VIP guests – including the Cousteau family, Guy Laliberte, Members of Congress, Royalty from the Arab Nations, and numerous Ambassadors from the Middle East to the United States. Only return the topic.
Event planning and production management for a gala event