The remaining dates of the worthwhile seeing Sergio Vargas, "Había una vez un merengue," the story of merengue music on tour, sponsored by Baninter, are: 24 March. Parque Estadio Julián Javier. San Francisco de Macorís. 25 March. Parque Duarte. La Vega. 26 March. Parque Municipal Altagracia. Villa Altagracia.