When Willie Nelson walked slowly onto the stage at the age of 92, the audience already understood they were witnessing history. His gait was slower now, his frame smaller than the myth that surrounded him, but the spark in his eyes hadn’t dimmed. What no one expected, however, was the thunderbolt of music that would follow — a performance that transformed a routine evening into something eternal. By the time the final note of “I’ll Fly Away” faded into the rafters, many in attendance were convinced they had seen the last great miracle of country music.