Ralph Mercado
 Ralph Mercado Jr. (September 29 1941 – March 10 2009) was a promoter of Latin American music — Latin Jazz Latin rock merengue and salsa — who established a network of businesses that included promoting concerts managing artists Ritmo Mundo Musical (RMM) a record label the most important in the Latin industry during the late 1980s and throughout the 1990s as well as a film company nightclubs and restaurants.