| Title | Singer | Writer | Album |
|---|---|---|---|
| Bob Lennon | Endou Kenji | 20th Century Boys | |
| Bob Lennon @ The Base | 20th Century Boys | ||
| I'm forbidden | Thanh Bùi | Để mai tính OST | |
| Lặng thầm một tình yêu | Hồ Ngọc Hà, Thanh Bùi | Để mai tính OST | |
| Main Theme for 20th Century Boys (Acoustic Version) | 20th Century Boys | ||
| Reign of Assassins themesong | Reign of Assassins OST | ||
| The land of my boyhood dreams | 20th Century Boys | ||
| Time for Miracles | Adam Lambert | 2012 OST | |
| ハロハロ音頭 | 20th Century Boys |