Is there a dress code? There is no dress code for TSO events. Attendees usually wear business dress or cocktail attire, but your comfort is the most important consideration!When do I clap? Traditionally, audiences don’t clap between the individual movements of a larger work. When in doubt it is always safe to clap when the conductor’s hands are at their sides. That said, sometimes the music demands a round of applause, and we say go for it!