CinemaBlend attended a virtual press conference with several of the people who are spotlighted in the new series, and Josh Gad revealed that when it came time for him to do his singing, he ended up having to do it twice, because the documentary cameras were too intimidating. ... And I had to come back and re-sing it.

Did Josh Gad really sing in pixels?

This line does not appear in the movie. Josh Gad singing "Everybody Wants to Rule the World" was a last-minute change. He was originally supposed to just interact with the band.

Who sings for Olaf in frozen?

Josh Gad voices Olaf, but the actor also performs songs as this character for the motion picture's official soundtrack. That includes “In Summer” from the first movie, in addition to “Some Things Never Change” and “When I Am Older” from the 2019 blockbuster, Frozen 2.