The Grand Ole Opry House in Nashville will host a Roger Miller tribute concert, King of the Road: Celebrating The Music of Roger Miller, on March 22. The all-star lineup includes Willie Nelson, Kris Kristofferson, Toby Keith, Trisha Yearwood, Jamey Johnson, Wynonna, Rodney Crowell, Chris Janson, Lee Ann Womack, Larry Gatlin, Cake and The War…