Ralph Mercado
 ( 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 . 
<triplet> Latin Jazz <subj> Latin American music <obj> subclass of <triplet> Latin rock <subj> Latin American music <obj> subclass of <triplet> salsa <subj> Latin American music <obj> subclass of