Considering that Cajun music was once an endangered species on the verge of extinction, there can never be an oversaturation of sources telling its story. The Roots of Fire documentary, co-directed by the husband-and-wife team of Abby Berendt Lavoi and Jeremey Lavoi, is the latest such vehicle that will likely introduce Cajun culture and music to another generation unaware of its glorious legacy and delicate past, but a deserving one that co...