Stereogum — Sia’s perseverance anthem “Unstoppable” is the perfect song for the upcoming Summer Olympics in Brazil. It was one of the standouts on her album This Is Acting, and it embodies the kind of resolve and fortitude to train nonstop for four years f... more info

Idolator — The artists team up for an Olympian anthem. more info

Dlisted — The upcoming Star Trek Beyond already has some strikes against it. The most tragic one was when Anton Yelchin, who played Chekov, was killed in a freak accident last month. Other minor snags included the first trailer looking like shit, and Sia not e... more info

Consequence of Sound — Sia and Adele producer Greg Kurstin assisted in shaping the album's sound. more info

PopSugar UK — Rihanna has been coming through with a handful of hits since the release of her Anti album back in January, and the singer kept things coming with "Sledgehammer," her track from the upcoming Star Trek Beyond soundtrack. The song was written by Sia, ... more info

Guardian Music — The self-professed Star Trek fan falls short in her single for the third entry in the revamped film franchise, with a generic-sounding ballad co-written by SiaRihanna continues her reign as the most prolific pop star working today with Sledgehammer, ... more info

L.A. Times - Entertainment — Rihanna and Sia previously penned a smash-hit tune about glittering objects floating in the infinity of space. So it’s a natural fit that they’d return to collaborating for the new “Star Trek Beyond” film. Rihanna has ... more info

L.A. Times - Pop & Hiss — Rihanna and Sia previously penned a smash-hit tune about glittering objects floating in the infinity of space. So it’s a natural fit that they’d return to collaborating for the new “Star Trek Beyond” film. Rihanna has ... more info

People.com — The pop superstar released "Sledgehammer" on Monday, her new single written by Sia for the forthcoming space adventure more info

People.com — The song was penned for The Neon Demon soundtrack more info