QUESTION 2. IS IT POSSIBLE TO CALL ONLY A PART OF THE BAND?

Unfortunately we can not perform with only some members of the  band, the concept of the Mariachi music that we manage is to provide the best possible Mariachi music with the basic instrumentation for the Mariachi which is violin, guitars, guitarron, trumpet, which comes to a team having at least 7-8 musicians. The number of musicians does not affect the price.