After racking up popularity with their stellar covers of "Thriller" and "Like This", audition group Raccoon Boys delivered a stunning cover of Girl's Generation's "Run Devil Run" on the latest episode of the music audition program 'K-Pop Star 2'.

With their beautiful harmonization and rapping, the Raccoon Boys managed to impress the judges once more.

"I was very surprised by your unexpected song choice," Yang Hyun Suk commented. "You guys are really something."

Catch the full episode below! [Raccoon Boy's performance begins at 9:20 in the first video.]