“By the end of the season, we’ll put the single out,” Paisley says of “We Are South America,” the anthem he wrote for Matt Stone and Trey Parker

When South Park , the irreverent, long-running animated series, returned for its 29th season last month, it did so under a new name: South America . “Inspired by the bravery and patriotism of Apple and Google, we are changing the name of South Park to South America ,” wrote show creators Matt Stone and Trey Parker, a not-so-subtle jab at tech giants who have capitulated to the current administration’s calls to change the names of bodies of water and even states to something pro-American.

Courtesy of Brad Paisley , the citizens of South America also got their own theme song, a proud yet ignorant anthem titled “We Are South America.” Paisley, who appeared as his animated self in a 2012 episode of South Park , tells Rolling Stone ’s Nashville Now podcast how it happened.

“I got a call from their producer, a good friend of mine named Frank [C.…