Conjunto Bernal, widely considered the greatest of all conjuntos, stretched the genre's stylistic barriers and set the table for the pioneering likes of Esteban Jordan and Joel Guzman.

And Paulino Bernal of Kingsville's El Conjunto Bernal, which first recorded in 1954, took a cue from his group's other accordionist, Oscar Hernandez, and began playing the five-row button, or ...

Conjunto Bernal, widely considered the greatest of all conjuntos, stretched the genre's stylistic barriers and set the table for the pioneering likes of Esteban Jordan and Joel Guzman.