The MBC entertainment program 'Infinite Challenge' guest band Hyuk Oh's pictures are becoming an issue again after they performed a happy country song with the Infinite Challenge member Jung Hyung Don, a song that tells a story of a prodigal son.

On August 13, 2015, band Hyuk Oh's Im Hyun Jae shared pictures of the four members of band Hyuk Oh on his Instagram account, saying, "We're in Pyung Chang!" On the most recent episode of the popular MBC entertainment program 'Infinite Challenge,' which aired on Saturday, August 22, 2015, the MBC entertainment program 'Infinite Challenge' summer music festival participants and k-pop stars finally performed on stage in front of thousands of k-pop and Infinite Challenge fans in Pyung Chang, Kyung Ki Do, Korea.

The four members of the band Hyuk Oh and Infinite Challenge member Jung Hyung Don sang and danced to the song, and gave the grandeur finale to the summer music festival.

At the performance, the 'Infinite Challenge' members performed on stage with k-pop singer songwriters after working with them for almost two months, The MBC entertainment program 'Infinite Challenge' summer music festival performance took place in Yang Pyung, Korea, and attracted thousands of fans. The MBC entertainment program 'Infinite Challenge' is one of the popular, long lasting entertainment programs in Korea. It features the Infinite Challenge members Ha Ha, Park Myung Soo, Yoo Jae Suk, Jung Joon Ha, and Jung Hyung Don.