Opera Metal
~ Release group series
Release Groups
| # | Year | Title | Artist | Type | Rating | Releases |
|---|---|---|---|---|---|---|
| 1 | 2008 | Opera Metal | Various Artists | Album + Compilation | 1 | |
| 2 | 2008 | Opera Metal, Volume 2 | Various Artists | Album + Compilation | 1 | |
| 3 | 2009 | Opera Metal, Volume 3 | Various Artists | Album + Compilation | 1 | |
| 4 | 2009 | Opera Metal, Volume 4 | Various Artists | Album + Compilation | 2 | |
| 5 | 2010 | Opera Metal, Volume 5 | Various Artists | Album + Compilation | 2 | |
| 6 | 2011 | Opera Metal, Volume 6 | Various Artists | Album + Compilation | 1 | |
| 7 | 2012 | Opera Metal, Volume 7 | Various Artists | Album + Compilation | 1 | |
| 8 | 2013 | Opera Metal, Volume 8 | Various Artists | Album + Compilation | 1 |