Wearing an Antone’s T-shirt, an old bluesman’s fedora, and black jeans tucked into untied boots, Gary Clark Jr. walked onto the main stage of the Bonnaroo Music and Arts Festival on June 10 with the nonchalance of a man strolling to the mailbox. Five minutes before his scheduled time, the lanky 28-year-old Austinite picked up his big red Epiphone Casino guitar and began casually strumming. Foggy chords emerged, shot through with shimmering notes, and bit by bit the sweet rumble drew in festivalgoers from the periphery, the migration speeding up as the music got louder. When Clark and his three-piece band kicked off the set with a borderline-psychedelic rendition of “When My Train Pulls In,” the field was filling up. By the time they finished,…The post The Thrill Isn’t Gone appeared first on Texas Monthly.