Group BTOB showed off their talents through their performance of Kim Sang Hee's song "Bright Moon".

In KBS 2TV "Immortal Song" aired today, the famous songwriter Son Suk Woo's special was held.

BTOB, who was fourth one to go on stage, sang "Bright Moon" that Son Suk Woo wrote in 1962 and Kim Sang Hee sang. They revealed stable singing and rapping, and perfect dancing on top of that.

BTOB unfortunately was elimited as The One made it into first place.