Los Hermanos Rosario Los Hermanos Rosario is a merengue music band, originally consisting of siblings Rafa, Luis and Toño Rosario. Formed in the Dominican Republic city of Higuey in May 1978, the 14-piece orchestra has had a series of hits such as Bomba Mi Hermano, Insuperables, Los Dueños del Swing and Bomba 2000. Around 1990, Toño Rosario branched out and became a mega merengue star himself. The band, however, continues to perform. (In Spanish) Rafa, Luis and Tony Rosario. Los Hermanos Rosario una institución gigante de la música dominicana.