Pentatonix feat. The String MobTop TracksTrack PreviewTrack TitleTrack LengthTrack Price/Buy LinkMary, Did You Know?Mary, Did You Know?from That's Christmas To Me (Deluxe Edition)3:22From $1.39HallelujahHallelujahfrom A Pentatonix Christmas Deluxe4:30Mary, Did You Know?Mary, Did You Know?from That's Christmas To Me (Deluxe Edition)3:22From $1.39