. >>> country music star randy travis is out with a new song after suffering a stroke. music hall of famer and learned how he's using his voice to drive change in the industry. ♪ i'm gonna love you forever ♪ >> reporter: his songs are part of america's soundtrack. ♪ i wouldn't have nothing if i didn't have you ♪ >> reporter: but country music legend randy travis' career was forever transformed when he suffered a stroke in 2013 that left him partially paralyzed with limited ability to speak. >> he never looked at it like, why me? he was always, why not me? and i love that about him. he's not -- he's not bitter about it. so we -- we've learned together. >> reporter: with the help of his wife, mary, and longtime producer, kyle lehning, the hall of famer released his first song post-stroke this year, using artificial intelligence. he shared it with cbs sunday morning. ♪ she had eyes like diamonds ♪ >> reporter: the grammy award winner is also turning his artistry into advocacy on capitol hill. >> chairman, thank you for having us. >> reporter: this summer, the couple testif