The lyrics for "Mary, Did You Know?" were written by Christian singer and comedian Mark Lowry, after his pastor asked him to write a Christmas musical for their church. Southern gospel musician Buddy Greene later added music to his words.
Taylor Swift's “Shake It Off” was inspired by how she'd learned to deal with all the false rumors that circulated about her. "The only thing we can control is our reaction to that ,” said Swift. "You can either let it get to you … [or] you just shake it off."