mariachi
noun
ˌmæriˈɑːtʃi 
ˌmæriˈɑːtʃi a musician who plays traditional Mexican music, usually as part of a small group that travels from place to place; the type of music played by these musicians
a mariachi band
Definition of mariachi noun from the Oxford Advanced Learner's Dictionary
ˌmæriˈɑːtʃi ˌmæriˈɑːtʃi 