MATANZAS, Cuba (AP) — A man in a white guayabera approaches a woman and stretches out his hand, palm up, inviting her to dance. She stands up and waves her fan. On the dance floor, they get closer.

Joining him for the show at MATCH will be clarinetist Ernesto Vega, an adjunct professor at the University of St. Thomas.

Cuban teenagers Fabio and Diego Abreu seem shy at first, but the moment they step on stage, they become confident, filling a ...