Binomio de Oro de América is a vallenato musical group from Colombia. It was founded by lead singer Rafael Orozco and accordionist Israel Romero in the Caribbean Region of Colombia on June 16, 1976. The group grew up in popularity in the 1980s and 1990s and developed mainstream popularity in Venezuela, specially in the city of Maracaibo and in Mexico, mainly in the city of Monterrey.