“Happy New Year: A Year-End Medley” features big names in the industry including SNSD’s Yoona, Lee Dong Wook, Kang Ha Neul, Kim Young Kwang, Han Ji Min, Lee Kwang Soo, Won Jin Ah, Go Sung Hee, Jo Jun Young, Won Ji An, Seo Kang Joon, Lee Jin Wook, Lee Kyu Hyung, Lee Hye Young, and Jung Jin Young.