What do you get when you combine Sia, the Weeknd and Diplo? One helluva stellar track for a major motion picture. The trio created the soaring pop ballad 'Elastic Heart,' which is from the upcoming soundtrack for 'The Hunger Games: Catching Fire.'

On the song, Sia's vocals are delicate as she yearns for finding love after enduring heartbreak and pain.

"And another one bites the dust / But why can I not conquer love? / And I might have thought that we would work / And I might've got to be with one / Why not fight this war without weapons?" she laments over Diplo's bombastic production.

The Weeknd adds his falsetto to the mix, joining Sia's requiem and crooning, "And I will stay up through the night / Let's be clear, I won't close my eyes / And I know that I can survive / I walked through fire to save my life."

'Elastic Heart' is a fantastic pop ballad and will certainly appease 'Hunger Games' fans. Not to mention, it's a good look for Abel Tesfaye, who is probably not known to listeners outside of the R&B genre.

'The Hunger Games: Catching Fire' soundtrack boasts contributions from Coldplay, Santigold, Christina Aguilera, Mikky Ekko and another song from the Weeknd. The collection will arrive in stores Nov. 19.

Listen to Sia's 'Elastic Heart' Feat.The Weeknd & Diplo

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