Alfredo Madrigal, a member of Herederos de la Frontera, plays accordion for admiring fans at the Baby Rock club in Tijuana. His group specializes in traditional Norteño-style ballads. (Don Bartletti / Los Angeles Times)
Luis Roman, left, and Edwin Ontiveros Solano of the Discipulos de Tijuana perform at the Baby Rock club in Tijuana. (Don Bartletti / Los Angeles Times)
Young couples and single girls dance to the spirited music of the Discipulos de Tijuana. (Don Bartletti / Los Angeles Times)
Alfredo Madrigal plays his accordion for dancers at the Baby Rock club in Tijuana. (Don Bartletti / Los Angeles Times)
