This jazzy, trumpet-filled version of "Megalovania" works pretty well with the performance, and the wide camera shots of the performers juggling balls while an expressionless audience looks on ...

A group of performers played Megalovania, from Toby Fox’s game Undertale to the pope on Wednesday. A recording of the performance circulated widely on social media.

One song managed to stick out above the rest, as the theme for the game’s most iconic character, “Megalovania,” quickly became the soundtrack’s most popular song.