The weather men are promising a night of stars tomorrow evening, with rain probabilities low. For the fortunate 5,500 persons able to secure tickets, the place to be on Saturday is at Altos de Chavón amphitheater in La Romana. Gloria Estefan, Juan Luis Guerra, Shakira, Jon Secada, Carlos Vives, Carlos Ponce and Angela Carrasco, leading Hispanic music stars, together with José Antonio Molina and more than 40 musicians from the National Symphony Orchestra will go on stage for the concert of the decade, a benefit for social centers built by the Gloria Estefan, Juan Luis Guerra and Sammy Sosa foundations. As per the preliminary program, Juan Luis Guerra will open followed by Carlos Vives, Angela Carrasco, Carlos Ponce, Shakira, Jon Secada and Gloria Estefan will close. Metro Tours announced Friday morning in an ad in the Listín that it still had tickets for their excursion on the comfortable metro busses. Telephone 544-4580 in Santo Domingo and 587-3811 in Santiago. For Gloria Estefan, this will a second performance in Altos de Chavón. The performance also marks the reopening of the Altos de Chavón artistic village in La Romana, that was affected by Hurricane Georges. Casa de Campo, the leading resort of La Romana, is closed with opening slated for 20 December of this year.