When Jacob Stelly enrolled at Texas A&M in 2017, he barely knew his way around the acoustic guitar. By the time he graduated four years later, he'd grown into an acclaimed songwriter and full-time road warrior, creating a signature sound that fused Texas country twang with Red Dirt roots-rock and anthemic Americana.   Raised two hours away in Liberty, Texas, Stelly grew up listening to classic songs by George Jones, Alan Jackson, and Randy Travis. "My grandpa is my best friend in the whole world, and those are the singers he loved," he remembers. His father introduced him to a different sound. "Dad loved Elvis," Stelly adds, "but he also loved Elton John, The Band, and a lot of 1970s rock & roll. Even before I began writing songs, I had all this amazing music pumped into my ears."  That childhood soundtrack received a jolt of electricity during Stelly's final years…