Blake Shelton finds himself in a dramatic setting while Clint Black is featured in a sitcom in primetime TV shows set to air in the coming weeks. Shelton portrays himself and performs his current single, “Nobody but Me,” in The Christmas Blessing, a made-for-TV movie airing Dec. 18 on CBS. The film stars Rob Lowe, Neil Patrick Harris, Rebecca Gayheart and Angus T. Jones. … Black appears as a cab driver in a holiday-themed episode of ABC’s Hot Properties airing Dec. 9. In the episode titled “It’s a Wonderful Christmas Carol on 34th Street,” Black portrays Marley, who introduces one of the characters in the series to the ghosts of Christmas past, present and future.