With Heo Young Saeng solo debut, 3 out of 5 SS501 members release their debut single/ album.Just now, B2M Entertainment official YouTube Channel
Check out the MV for his solo debut song "Let It Go" which also features 4Minute's HyunA
[Video] SS501's Heo Young Saeng release "Let It Go" MV
With Heo Young Saeng solo debut, 3 out of 5 SS501 members release their debut single/ album.