At the launch of Chicago SummerDance, the city’s summer-long free dance and live music series, Tito Rodriguez will be offering lessons in the Afro-Puerto Rican styles of plena and bomba from 6 to 7 pm. This will be followed by a live music performance by Plena Libre with dancing from 7:30 to 9:30 pm. It’s all at Grant Park’s Spirit of Music Garden (601 S. Michigan). For more info call 312-742-4007.