| 13Styles | ||
| 47 | 84.2 | Heavy |
| 17 | 81.0 | Power |
| 15 | 73.8 | Thrash |
| 14 | 82.9 | Progressive |
| 12 | 81.7 | Speed |
| 10 | 80.5 | Doom |
| 9 | 80.1 | Death |
| 7 | 65.8 | Gothic |
| 3 | 78.5 | Technical |
| 1 | 84.0 | Ambient |
| 1 | 80.0 | Black |
| 1 | 79.0 | Folk |
| 1 | 53.0 | Symphonic |
| 10Countries | ||
| 27 | 78.9 | United States |
| 25 | 85.0 | United Kingdom |
| 11 | 78.4 | Germany |
| 9 | 80.1 | Sweden |
| 6 | 72.3 | Portugal |
| 2 | 74.0 | Denmark |
| 2 | 71.0 | Canada |
| 1 | 90.0 | Netherlands |
| 1 | 80.0 | Ireland |
| 1 | 53.0 | Finland |
| 35Years | ||
| 12 | 82.0 | 2008 |
| 6 | 49.9 | 2007 |
| 1 | 60.0 | 2006 |
| 4 | 82.1 | 2005 |
| 2 | 68.4 | 2004 |
| 1 | 75.0 | 2003 |
| 3 | 82.3 | 2002 |
| 3 | 45.7 | 2001 |
| 2 | 84.2 | 2000 |
| 1 | 75.0 | 1999 |
| 2 | 84.0 | 1998 |
| 1 | 65.0 | 1997 |
| 2 | 82.4 | 1996 |
| 1 | 85.0 | 1995 |
| 1 | 38.0 | 1994 |
| 2 | 80.0 | 1993 |
| 3 | 64.3 | 1992 |
| 2 | 76.0 | 1991 |
| 2 | 66.0 | 1990 |
| 1 | 80.0 | 1989 |
| 2 | 81.6 | 1988 |
| 3 | 74.5 | 1987 |
| 1 | 73.0 | 1986 |
| 1 | 69.0 | 1985 |
| 4 | 82.3 | 1984 |
| 4 | 75.4 | 1983 |
| 3 | 73.8 | 1982 |
| 1 | 70.0 | 1981 |
| 4 | 83.6 | 1980 |
| 1 | 85.0 | 1979 |
| 1 | 80.0 | 1978 |
| 3 | 81.2 | 1976 |
| 2 | 82.2 | 1972 |
| 2 | 84.8 | 1971 |
| 1 | 88.0 | 1970 |
| 43Bands | ||
| 8 | 83.2 | Black Sabbath |
| 7 | 84.3 | Opeth |
| 7 | 81.1 | Iron Maiden |
| 6 | 82.1 | Blind Guardian |
| 6 | 75.7 | Metallica |
| 5 | 69.5 | Moonspell |
| 3 | 86.8 | Manilla Road |
| 3 | 82.3 | Judas Priest |
| 3 | 78.5 | Heathen |
| 3 | 71.2 | Dio |
| 2 | 71.0 | Rush |
| 1 | 90.0 | Ayreon |
| 1 | 87.0 | Deep Purple |
| 1 | 86.0 | Diamond Head |
| 1 | 85.0 | Motörhead |
| 1 | 85.0 | Perspective X IV |
| 1 | 84.0 | Karl Sanders |
| 1 | 84.0 | King Diamond |
| 1 | 80.0 | Scorpions |
| 1 | 80.0 | Sodom |
| 1 | 80.0 | Tarantula |
| 1 | 80.0 | Thin Lizzy |
| 1 | 79.0 | Alestorm |
| 1 | 75.0 | Dream Theater |
| 1 | 75.0 | Witchfinder General |
| 1 | 74.0 | Queensrÿche |
| 1 | 70.0 | Bruce Dickinson |
| 1 | 70.0 | Manowar |
| 1 | 70.0 | Slayer |
| 1 | 69.0 | Overkill |
| 1 | 67.0 | Order of Nine |
| 1 | 60.0 | Bloodbath |
| 1 | 60.0 | Rage |
| 1 | 59.0 | Black Succubi |
| 1 | 55.0 | The Vision Bleak |
| 1 | 53.0 | Apocalyptica |
| 1 | 50.0 | Ozzy Osbourne |
| 1 | 45.0 | Edguy |
| 1 | 45.0 | Pantera |
| 1 | 40.0 | Iced Earth |
| 1 | 38.0 | Megadeth |
| 1 | 30.0 | Katatonia |
| 1 | 9.0 | 2 Headed Chang |
| 5Formats | ||
| 71 | 84.4 | Full-length |
| 6 | 75.3 | Single |
| 4 | 74.9 | Live album |
| 2 | 86.0 | Compilation |
| 2 | 79.6 | Demo |
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