You might know Chance the Rapper from his verse on Snakehips' All my Friends, or his recent collaboration with Kanye West.

He's also done tracks with the likes of Justin Bieber, James Blake, Skrillex and Macklemore & Ryan Lewis.

His new record, Chance3, is due out on Friday, but because he's giving it away for free it can't be nominated for a Grammy.

He's calling for that rule to be changed.

A Grammy is one of the biggest prizes in music.

To be nominated your music's got to be "commercially released in general distribution in the United States."

Simply, then, that means it's got to cost money.

This isn't ideal for Chance, who's got a history of giving his music out for nothing.

His 2013 mixtape Acid Rap, for example, has been downloaded more than three and half million times.

Unsurprisingly, Chance doesn't think these rules are fair.

The petition claims artists like Chance "are being punished for making their music available to everyone, rich or poor."

But this gripe goes back further than that.

It's also something Chance talks about during his feature on the opening track of Kanye West's album The Life of Pablo.

On Ultralight Beam Chance claims he's discussed the problem with the man himself: "I met Kanye West I'm never going to fail," he raps.

"He said let's do a good job with Chance three, I hear you gotta sell it to snatch the Grammy.

"Let's make it so free and the bars so hard, that there ain't one gosh darn part you can't tweet."

On the basis of this, it looks like Kanye's advice was to give Chance3 out for nothing, Grammy or no Grammy.

Easy for him to say, he's got 21 of them.

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