Hello Antenna, Hello Christmas - Single by Yoo Hee Yeol, Yoo Jae Seok, Jung Jae Hyung, Lucid Fall, PEPPERTONES, Park Sae Byul, SAM KIM, Lee Jin Ah, Kwon Jin Ah, Jung Seung Hwan, Yun Seokcheol, JUKJAE, MIJOO & Seo Dong Hwan