Sia and Kelly Clarkson are among four artists to land the first songs of the holiday season on the "Billboard" Adult Contemporary airplay chart. Sia debuts at number 19 with "Santa's Coming for Us," followed by Kelly Clarkson's "Christmas Eve" at 21.
Josh Groban's cover of John Lennon's "Happy Xmas (War Is Over)" at 23 and Jane Lynch's "A Swingin' Little Christmas" at number 28.
The "Billboard" AC chart measures total weekly plays among its reporting panel of about 85 radio stations.