What is the most logical next event?

A man in a white t-shirt accompanies the conga player on the drums behind the boy. a man wearing a hat

OPT: I. sits in a auditorium near a large drum set. II. speaking and before he has to start the drums are playing one drum, followed by others making more. III. sits a microphone filled with young men and join a game of beer pong. IV. picks up a percussion instrument and accompanies the young conga player.
IV.