So Yu, Kwon Jeong Yeol - Lean On Me (2015)
- So Yu (born February 12, 1992) is the lead vocalist of SISTAR. Kwon Jeong Yeol (born March 1, 1983) is the main vocalist of 10cm.
- So Yu is known as the collaboration queen. Songs she’s featured in always chart very well, at least in the top 10.
- So Yu was originally a trainee of Cube Entertainment and was supposed to debut as a member of 4minute. She ended up being replaced by Sohyun.
