[3][4] Laura Hernandez Cantú (1926–2004) was also born in Kingsville, and would attend school in Mexico.
[4] Carmen had no plans to become a professional musician until her husband decided to make his own records to supply substantial juke box operations.
[6][7] This duet was a pioneer in introducing swing and blues influences into Tejano music, as well as being among the first to advance a female perspective in that genre.
[7] Carmen was the more outgoing of the two, as Laura would generally avoid interviews and direct attention to her sister.
[10] These orchestras included those of Paulino Bernal, Pedro Bugarin and Beto Villa.
[10] Additionally their music was popular in Mexico, making them among the few Tejano women duos earning that distinction.