This is something of a supergroup - a one-off collaboration between Phantogram and Big Boi from Outkast, with Sarah Barthel and Big Boi providing primary vocals and Josh Carter serving as primary producer.
Big Boi famously accidentally discovered Phantogram when their song "Mouthful of Diamonds" was used in a popup ad he saw, and he immediately started promoting them. That led to a friendship and professional relationship that included the Big Grams project.
Did the entire project work? No, of course not. It's a weird mix of the distinctive Phantogram electronic sound and Big Boi's signature hip hop. Where it DID work, like this song, it was sonic gold.