the producer and songwriter tells EW.
That was really testing my patience.
But I think I did okay.

Credit: Getty Images
She didnt want to just go through and write a pop song with any particular formula, Kurstin says.
We talked about Tom Waits, and different storytellers like that.
And doing something real and believable doesnt involve too many takes at least for Adele.
I mostly let her do her thing.
There was not a lot of direction from me.
Like Sia we dont come in prepared with anything, he added.
Kurstins also credited with two other songs on the forthcoming record, which is set to debut Nov. 20.
Kyle Anderson contributed reporting to this story.