Fresh off her partnership with Gibson on a signature J-45 acoustic signature guitar, country star Margo Price knows a thing or two about collaborations. Now, her autograph is etched forever on a guitar signed by many legends, including one of her idols, Johnny Cash. So it’s perhaps because of this period that Crowell owns a guitar with Johnny Cash's signature etched on it. “And he has this really old black acoustic guitar that everybody has signed. It's got Johnny Cash's name scratched into it, and at the end of the write, he had me sign his guitar.