In honor of the 10th anniversary of Countdown to Christmas, this holiday special will bring together the stars of Hallmark Channel’s Countdown to Christmas original movies in a warm, festive…

A lineup of artists — including Beck, Common, Gary Clark Jr., Foo Fighters, H.E.R., Juanes, Alicia Keys, John Legend, Chris Martin, Mavis Staples, St. Vincent, Usher and more — pay…