After releasing the music video teaser for their mini-album's title track "Busan Vacance" and challenging one of Korea's greatest hip hop duos Leessang the other day, Skull&Haha has decided to challenge some of the other musical�artist�in Korea.

Next up on their list is Dynamic Duo, who flaunt their confidence with their response after receiving the note of the challenge.

In related news, Skull&Haha will be releasing their mini-album on July 30th, and the two are practicing hard to put on a perfect live performance.