When Boozoo Chavis returned to zydeco in the early 1980s, his hard-driving button accordion style appealed to young fans who hadn't been interested in their parents' sleepy two-steps and waltzes. Then some young members of the Broussard clan in Lawtell formed a band that combined a Boozoo-style accordion with '60s soul-style vocals and steps, and soon Zydeco Force was packing the dancehalls. Beau Jocque began forging zydeco, rap and classic rock in his own mighty way, and zydeco was no longer...