Black Beat (블랙 비트) was a South Korean boy band formed by SM Entertainment.
In 2007, lead vocalist Jang Jin-young teamed up with Kim Sung-pil to form the R&B duo, ByJinSung.
They debuted as a five-member group during Lee Ji-hun's Dream Concert 2000 as back-up vocalists and dancers.
After joining SM Entertainment, Black Beat has appeared in many music videos and performances for other artists, mainly S.E.S.
Other artists include BoA, H.O.T., Shinhwa, Fly to the Sky, Shinvi, Dana, and Lee Ji-hun as dancers, backup vocals, choreographers, and rappers.