Get everyone involved in your freestyle easily with the classic “When I say ______, you say _____” call-and-response pattern. Freestyle a topic from the event or anything you like. Tell the group, “When I say X, you say Y!” Then you shout “X!” and the crowd responds with “Y!” Do it multiple times. Change the call-and-response each time, or keep it the same. Everyone knows and loves it and they will join in. Remember to keep the flow with the beat!
We love crowd participation, and if the crowd is participating, they will love you.