On the face of it, 2025 was a landmark year for Billy Strings. His fifth album, Highway Prayers, won him his third Grammy. The first bluegrass album in more than 22 years to debut at the top of the US album sales chart, it confirmed him as the genre’s biggest crossover star in decades. He was feted by everyone from Bob Dylan to Post Malone to Willie Nelson, the latter describing him as “the John Coltrane of bluegrass”, a pretty impressive soubriquet in anyone’s book. As the New York Times noted, he was now capable of filling the arena-sized venues that his idols – Doc Watson, Clarence White, Tony Rice, Béla Fleck – could never have dreamed of performing in, packing them out with an audience that look less like traditional bluegrass aficionados than…