Credit: Twitter/Sia

UPDATE: Sia released the full version of “Reaper,” which she co-wrote with Kanye West. Hear the new song, off her forthcoming album This Is Acting, below.

EARLIER: Sia and Kanye West are back at it. Nearly a year after West unveiled “Wolves,” a collaboration with the Australian singer and Chicago upstart Vic Mensa, Sia shared 11 seconds of her new song “Reaper.”

The new track, which West co-wrote and co-produced, will appear on Sia’s forthcoming album This Is Acting, out Jan. 29, composed of songs Sia intended for other artists. She revealed “Reaper” was intended for Rihanna, but ended up keeping it (via Rolling Stone).

Sia previously released four other songs from her seventh studio album: the Adele and Tobias Jesso Jr.-penned “Alive,” “Bird Set Free,” “One Million Bullets,” and “Cheap Thrills” (another Rihanna track).

West himself recently released a song: “Facts,” a diss track that dropped New Year’s Eve.

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Listen to the “Reaper” clip below.

The full version of “Reaper” drops Thursday.