Genres
- Avant-Garde
- Blues
- Children's
- Classical
- Comedy/Spoken
- Country
- Easy Listening
- Electronic
- Folk
- Holiday
- International
- Jazz
- Latin
- New Age
- Pop/Rock
- Alternative/Indie Rock
- Art-Rock/Experimental
- Dance
- Europop
- Folk/Country Rock
- Foreign Language Rock
- Hard Rock
- Heavy Metal
- Alternative Metal
- Black Metal
- British Metal
- Death Metal
- Doom Metal
- Goth Metal
- Grindcore
- Guitar Virtuoso
- Hair Metal
- Industrial Metal
- Neo-Classical Metal
- New Wave of British Heavy Metal
- Pop-Metal
- Power Metal
- Progressive Metal
- Punk Metal
- Rap-Metal
- Scandinavian Metal
- Sludge Metal
- Speed/Thrash Metal
- Stoner Metal
- Symphonic Black Metal
- Pop/Rock
- Psychedelic/Garage
- Punk/New Wave
- Rock & Roll/Roots
- Singer/Songwriter
- Soft Rock
- R&B
- Rap
- Reggae
- Religious
- Stage & Screen
- Vocal
- Heavy Metal
Ozzy Osbourne 91
Opeth 42
Overkill 56
Of Mice & Men 18
Orianthi 9
Obituary 27
Otherwise 13
Otep 11
Orange Goblin 10
Oomph! 41
Onslaught 13
The Ocean 25
Orden Ogan 12
Outcast 4
Omen 9
Orchid 9
Orphaned Land 10
OSI 9
Operation: Mindcrime 4
Obsession 7
Obscura 7
OM 14
Oh, Sleeper 5
Oz 14
Omnium Gatherum 13
Old Man's Child 8
Of Mice And Men 2
Overdrive 12
Origin 10
Oceans Of Slumber 6
One Day As A Lion
Once Human 5
On Thorns I Lay 9
October Falls 13
Omar Rodriguez-Lopez 14
Oceano 7
October Tide 6
One Minute Silence 8
OPM 2
Orange 9mm 5
Orbit Culture 9
One Bad Son 5
Oranssi Pazuzu 8
Old Man Gloom 9
Onmyo-za 7
Overdose 10
O.N.A. 12
Opera Ix 12
Only Child 3
Outline In Color 10
Obscenity 10
Obey The Brave 5
Open Hand 4
One Man Army And The Undead Quartet 3
Old
Ophthalamia 6
Overload 3
Odium 8
Obliveon 5
Octavia Sperati 2
Obtained Enslavement 4
Oathbreaker 5
Ondskapt 5
Opiate For The Masses 3
Ocean Grove 5
Oath 6
Ominous 3
OneSideZero 3
Obscure Infinity 4
Orthrelm
Oathean 7
Overcast 2
Occult 5
Oratorio
Oliva
Once Nothing 3
Opprobrium 5
Opus Atlantica
Ov Hell
Oratory
Outrun The Sunlight 5
Orthodox 2
Oblomov 4
O.A.T.H.
Ocean 3
Obsidian Gate 3
O.L.D. 5
Oppressor 3
One Machine 2
Otyg 5
On A Pale Horse
Okilly Dokilly 2
Orcustus 2
Obsequiae 4
O.D
Octinomos 4
October File 2
Ocrilim 3
Old Lady Drivers
— Artist has been update in past 30 days- Artist 3— Artist has more than two albums