While making theirseventh album, Coldplay pushed the boundaries of what fans can typically expect from their records.

So that changed into drink from me and the idea of having an angelic person in your life.

Then that turned into asking Beyonce to sing on it.

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Credit: Christopher Polk/Getty Images

Coldplay also put Martinsex-wife Gwenyth Paltrowon their song Everglow.

With this one were trying to do our whole spectrum, Martin says.

The colors were missing within the band we tried to bring in with guests and other producers.

But the band said theyd love to.

You know whats also good for creativity?

Fasting, Martin tells the paper.

Once a week I dont eat for 24 or 30 hours.

Your brain becomes very lucid about ideas.

For more from Martin, head toThe Wall Street Journal.