After pushing back his debut date due to a hand injury, SS501's Heo Young Saenghas finally released his mini-album and MV for his title track, "Let It Go"! The MV was filmed in Namyangju, and reportedly, its production costs were worth approximately $100,000 USD. The beautiful Hyuna from 4minute also participated in the rapping of the track but unfortunately she doesn't make an appearance in the MV. Heo Young Saeng will perform the track for his "Music Bank" comeback stage on the 13th. Remember to support the artist by purchasing the music!