Related Information for Duelo Duelo is a Mexican band from Roma Texas with a norteño style. The band is also known as Grupo Duelo and Duelo Norteño. The group rose to prominence in late 1990s and continues to create albums as of 2006. Duelos Band members:OSCAR IVAN TREVIÑO: Bajo sexto, Primera voz. DIMAS LOPEZ JR.:Acordeon. CHRISTIAN RIVERA: Bajo electrico. JOSE LUIS AYALA JR.: Bateria .MARIO ANGEL PEÑA: Animacion. MAURICIO CANO: Percuciones Jose Luis Ayala Jr is Ramon Ayalas Nephew.. read more