TODAY 8a: Brain surgery to treat opioid addiction. Hoda Kotb goes one-on-one with Demi Lovato. Amy Grant on new documentary “The Jesus Music.”

<p>Kate Snow has an exclusive first look at a new procedure — a device implanted in the brain that is giving hope to those fighting addiction. Plus, Hoda Kotb goes one-on-one with Demi Lovato to talk about their new Peacock show, “Unidentified with Demi Lovato,” and about identity, love and support. And, singer-songwriter Amy Grant on her new documentary, “The Jesus Music” about the rise behind Christian music.</p>