If you know Taylor Swift, then you’ll know that she’s obsessed with the number 13.

She continues, teasing about a big surprise coming to fans.

But how does the artist have so much more new music to deliver?

Taylor Swift

Well, she says she simply couldn’t stop herself from writing.

We chose to wander deeper in.

I’ve never done this before.

Evermore

There was something different with folklore.

In making it, I felt less like I was departing and more like I was returning.

I loved the escapism I found in these imaginary/not imaginary tales.

So I just kept writing them" (viaHeadline Planet).

Swift’s ninth album,evermore, will be released on December 11.