Credit: Alphonse “Bois Sec” Ardoin plays the accordion for the Duralde Mardi Gras in 1977. Photo: Nicholas R. Spitzer via Louisiana Folklife It’s true, June is National Accordion Awareness Month, a designation made in 1989 to introduce the instrument to a wider audience. Zydeco Crossroads was lucky enough to tour the Martin Accordions workshop and showroom in Scott,…