Brother Su
Kim Hyung-soo (; born December 22, 1990), better known as Brother Su (), is a South Korean singer-songwriter and record producer. Su debuted in 2010 and has been signed under Starship Entertainment's subsidiary label Starship X since 2015. Career 2010–2015: Early work and RealCollabo Prior to his debut, Brother Su participated in "Christmas Card from Real Collabo" with his remix of "Winter Wonderland". The next year he officially debuted as RealCollabo's first singer with single "It was You". In the same year, he released another single "You Got Me". The following years, Brother Su started featuring and writing for his label mates as well as other artists. Started with featuring in Mad Clown's "Basil", he was also featured in Andup's "Like This Right Now", Giriboy's "Player", Cheeze's "Papapa", d.ear's "We Need to Talk", Kebee's "Travel Bag", and Swings's "Two Thumbs". He produced label mate Siaena's "Sound of Rain" and Lovey's "Return", as well as Crucial Star's "Flat Shoes". In his early years as a lyricist, Brother Su teamed up with Ra.D for Jooyoung's "All of You" and "Hang Up the Phone", and Ra.D's "Thank You, Thank You". On July 4, 2013 he released his first full album Paper, containing ten