SBS’s ‘Our Ballad’ premieres with 160-minute expanded episode 조선일보SM C&C Expands Management Division…Expectations for the establishment of a variety of business models SportsChosunSM Culture & Content (hereinafter referred to as SM C&C) will take on a new challenge in the.. 매일경제SBS expands premiere of Our Ballad to 160 minutes – CHOSUNBIZ Chosun BizSM C&C trains singers with Kang Ho-dong and Jeon Hyun-moo – CHOSUNBIZ Chosun Biz