Goo Joon Yup teamed up with Cosmic Girls' Dawon and Yeonjung on the summer special of 'Immortal Song'.

On the July 17th 'Summer Gayo Daejeon' special, DJ Goo Joon Yup, Dawon, Yeonjung, Xitsuh, and sideways brought a club to the stage with their rendition of Park Mi Kyung's 1990 track "Unreasonable Reason". The performance including DJing, singing, breakdancing, rapping, and Taekwondo choreography impressed the audience, and Goo Joon Yup's team took the final win.

Check out Goo Joon Yup, Dawon, Yeonjung, Xitsuh, and sideways' performance above and the original below.