Songs from the original soundtrack of "KPop Demon Hunters," an American animated film centered on a fictional K-pop girl group, continued to perform strongly on global music charts this week.

Ian Eisendrath, the executive music producer of the surprise Netflix hit — which has been gaining steam on real-world music charts — breaks down how the songs came together.

Sechrist, who happens to be married to Kang, is the veteran animator tasked with designing the cat who would be king of derps.