Rising Americana star Charley Crockett has extended his tour in support of his forthcoming album $10 Cowboy (April 26, Son of Davy/Thirty Tigers), adding a late-August stop in the Ancient City. Though he’s typically billed as a country artist, Crockett’s self-described “Gulf & Western” sound is far richer and more nuanced than that label may suggest. The Texas-born, New Orleans-influenced …