FILE - In this April 17, 2017 file photo, country music star Carrie Underwood performs the national anthem before Game 3 of a first-round NHL hockey playoff series between the Predators and the Chicago Blackhawks in Nashville, Tenn. Underwood is the wife of Predators center Mike Fisher. The longtime anthem singer at Nashville Predators hockey games has sour grapes over being replaced in the Stanley Cup playoffs by superstar singers such as Carrie Underwood, Luke Bryan, Lady Antebellum and Little Big Town. (AP Photo/Mark Humphrey, File)