“Believer - Imagine Dragons <br/>First things first <br/>I'ma say all the words inside my head <br/>I'm fired up and tired of the way that things have been <br/>The way”的出处，原作者是谁？

Believer - Imagine Dragons
First things first
I'ma say all the words inside my head
I'm fired up and tired of the way that things have been
The way