It's been a few years since we got to listen to Blue Ivy spit some hot fire on a track, but the wait it over.

The almost four-year old will join cousins Apple and Moses on Uncle Chris Martin and Coldplay's 7th studio album.

The album features a chorus which will play during multiple songs on the album, which Chris Martin says he learned from studying Greek tragedies.

So how did the BIC feature come about exactly?

Well, Chris explains to the Wall Street Journal, "The 'choir' started with my two kids coming in after school and recording. We recorded Blue Ivy Carter in New York when her mom Beyoncé was in the studio. To me, when we use that sound, it’s to affirm what I’m saying. 'We agree with you, Chris. Keep singing.'"

This feature will be Blue's third, including her works with papa Jay and mama Bey on "Glory" and "Blue," respectively. 

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(Photos from left: CRYSTAL/ PacificCoastNews, Theo Wargo/Getty Images for Global Citizen)