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For Chained to the Rhythm, Perry teams up with frequent collaborator and super-producer Max Martin.
Most recently, he co-wrote Roar and Dark Horse, off 2013sPrism, both of which went No.

Credit: katyperry/Instagram
1 on the Billboard Hot 100.
Famously, Sia had previously tried to sell the pop star on her songs Elastic Heart and Chandelier.
(Sia ended up releasing both under her own name.)
Time away from the radio has hardly meant time off for the 32-year-old.
Hear Chained to the Rhythm below and check out thelyrics on Genius.
And it’s possible for you to stream the songat Spotify.