Jang Keun Suk (OST Happy Life) - Happy Life 즐거운 인생
Jang Keun Suk - For A While Floating (OST The Happy Life)
Jang Keun Suk - Shooting Oh (OST The Happy Life)
Jang Keun Suk (OST Happy Life) - Happy Life 즐거운 인생 (cut)
Jang Keun Suk (OST Happy Life) - Explosion
Jang Keun Suk & Other - Happy Life [OST Happy Life]