American actress and singer-songwriter Demi Lovato name-dropped underground metal bands JOB FOR A COWBOY, ABIGAIL WILLIAMS and MAYLENE AND THE SONS OF DISASTER during her interview on NBC-TV's "Late Night with Jimmy Fallon" this past Thursday night (July 23). Watch video footage of her appearance below. (Note: The above-mentioned segment can be seen beginning around the three-minute, 15-second mark.)Lovato, 16, is best known for her role as Mitchie Torres in the television movie "Camp Rock" and Sonny Monroe in "Sonny With A Chance". In addition to acting, she performs as a solo music artist and issued her debut album, "Don't Forget", on September 23, 2008. The CD debuted at #2 on The Billboard 200 chart, selling over 89,000 copies in its first week of release. A follow-up effort, "Here We Go Again", came out on July 21, 2009.