Over a decade and a half since he got his start in TVXQ! in 2003, K-pop singer U-KNOW (Jung Yunho, also known professionally as U-KNOW Yunho) released his first solo album today (June 12).

The song “Blue Jeans” is co-written by songwriter/producer Jin Suk Choi from EKKO Music Rights´ hitmaker team Dsign Music.