Christmas music is a big part of the music industry. John Yang speaks with Nate Sloan, an assistant professor of musicology at the USC Thornton School of Music and co-host of the podcast Switched On ...

Add Yahoo as a preferred source to see more of our stories on Google. Are you a Jingle Bells person? Maybe Rockin' Around the Christmas Tree? Dominick the Donkey, maybe? If you're one of the people ...