Plot: Borrowing their name from the Indian Nation Turnpike that connected the more obscure dots of the Sooner state where they cut their artistic teeth, the Troubadours have honed a rowdy, quick-witted sound that’s brought together folks of all stripes. With a raw-boned energy and a knack for capturing slices of life in vivid detail, the band has evolved from acoustic explorations of Townes Van Zandt and Jerry Jeff Walker to full-throttle roadhouse country twang-tinged with a certain punk attitude hanging over from the band’s early years