Reviews - O
| Band/Artist | Title | Style | Label | Year |
Grade |
| Oratorio | The Reality Of Existence | Power Metal | Rivel | 2003 | 75% |
| Oratorio | Redemption | Heavy Metal | Rivel | 2007 | 85% |
| Orphan Project | Orphan Found | Progressive Hard Rock | Independent | 2003 |
75% |
