Music

The art of producing pleasing or expressive combinations of tones especially with melody, rhythm, and usually harmony.

According to Swift “Back To December” is an apology to a former lover in the from of song
Unlike other typical break up song that present the story of cheating, betraying and how much they hate each other, this one presents the theme of love
Was in afternoon in December
When it reminded you of the day
When we bumped into each other 
But you didn’t say hi cause I looked away 
I think it’s about someone who has been through different relationships, but finally found