Members Sungkyu and Woohyun of idol group INFINITE along with Mnet Super Star K winner Seo In Guk will be making their respective debut as musical stars. The boys will be playing roles in the new musical,�'Kwangha Gate Sonata' that will be playing at the LG Arts Center in Seoul on February 7th to March 11th. 'Gwangha Gate Sonata' is a juke box musical that features hit songs by the late composer, Lee Young Hoon, including "Past Love" and "When Love Passes You By". The musical first aired at the Sejong Center for the Performing Arts last year. Sungkyu and Woohyun will be playing the role of the female lead Yeoju's son, Jiyong (Note: Both members will play the same character for different shows). Jiyong comes to visit Sanghoon in the present and drags him back into the memories, and he is a character that was first played by B2ST's Yeoseob when the musical first opened. Seo In Guk has been double-casted with musical actor Lee Yool, playing a character that cannot stop himself from going after a woman who his best friend is in love with, and protects his brother Sanghoon despite knowing he can lose everything as a result. Sungkyu and Woohyun displayed their determination by remarking, "We will be prepared to do our best at the role that's been given to us," while Seo In Guk said, "I have been passionate about musicals thus far, and I promise to show you a top-notch performance that reflects that." Sungkyu, Woohyun, and Seo In Guk will be in the musical alongside stars such as Yoon Do Hyun, Cho Sung Mo, Lee Yool, Lisa, Jung Won Young, Park Jung Hwan, Choi Jaeoong, Kim Tae Han, Kim Young Joo, and Goo Won Young, and tickets for the musical go on sale starting on January 3rd at 3:00PM KST. Source & Image: TVReport via Nate