Joanna Cotten

"It's a different phase of my life now. But unless I'm in the room and open to it, I know for sure I won't [ever write another song] ..."

If you want to know who Cotten is, you've got to learn about "funkabilly" ...

Cotten originally signed on to be Church's backup singer. On the Double Down Tour, she became his right-hand woman.

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Twain is, of course, an Ontario native.

SING IT, YOU TWO!

These men and women are some of the best in the biz!