 She performed live in Colombia, Brazil, Austria, the Netherlands, Italy, Switzerland, France, Germany, Portugal, Panama, Puerto Rico, Spain, Great Britain, the Dominican Republic, and the United States.In 2008 Rivas celebrated her 25th anniversary since starting her long career, with special homage concerts dedicated to the much-beloved "Maestro" Aldemaro Romero, who died in 2007 at 79 years of age, featuring Romero's music and arrangements.In 2012–2013 Rivas celebrated her 30th anniversary as a vocalist, composer and recording artist, with special concerts performed throughout Venezuela and the United States.