A decade ago, a handful of Louisiana bands were included in South by Southwest’s music showcases. This year, the annual music conference/festival/marketplace in Austin, Texas takes place from March 16-20 and includes 16 Louisiana artists, including three acts on Park the Van Records. Generationals, Brass Bed and Giant Cloud will play the Park the Van Showcase Friday, March 18 at Mi Casa Cantina (506 E. 6th St.). At press time, most days and times aren’t available, so check OffBeat.com for upd...