In 2013, SM C&C acquired Hoon Media (a production company led by Lee Hoon-hee, responsible for KBS serials "1 vs 100", "Heroines 6", "Qualifications of Men", and "Music Bank") and Woollim Entertainment, a record label responsible for artists such as Infinite. In January 2014, SM and the other six talent agencies behind KMP Holdings formed a collective bond partnership and bought 13.48% of KT Music's stocks, leaving parent KT Corporation with 49.99%. In February, SM acquired a share in Baljunso, an indie record label founded in 1991 by Kang Byung-yong. On August 1, SM debuted Red Velvet, its first girl group since f(x) five years prior.