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
- British Invasion
- 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 94
Opeth 50
Overkill 57
Orianthi 11
Of Mice & Men 19
Obituary 27
Otherwise 13
Otep 12
Orange Goblin 11
Oomph! 42
Onslaught 14
The Ocean 25
Orden Ogan 13
Omen 9
Orphaned Land 13
Orchid 11
Outcast 4
OSI 9
Operation: Mindcrime 4
Obsession 7
OM 14
Obscura 8
Oz 14
Oh, Sleeper 5
Omnium Gatherum 14
Orbit Culture 11
Old Man's Child 8
Oceans Of Slumber 8
Overdrive 12
Of Mice And Men 2
Origin 11
One Day As A Lion
On Thorns I Lay 9
Once Human 5
October Falls 13
Omar Rodriguez-Lopez 14
Oceano 8
October Tide 7
One Minute Silence 9
OPM 2
Orange 9mm 5
Oranssi Pazuzu 9
One Bad Son 5
Old Man Gloom 10
Onmyo-za 8
Overdose 10
Only Child 3
O.N.A. 12
Opera Ix 12
Obscenity 11
Outline In Color 10
Obey The Brave 5
Open Hand 4
Ophthalamia 6
Old
One Man Army And The Undead Quartet 3
Overload 3
Odium 8
Oathbreaker 5
Obtained Enslavement 4
Obliveon 5
Octavia Sperati 2
Ocean Grove 7
Ondskapt 5
Opiate For The Masses 3
Ocean 3
Oath 6
OneSideZero 3
Ominous 3
Oppressor 6
Overcast 3
Occult 5
Obscure Infinity 4
Opprobrium 5
Oliva
Once Nothing 3
Outrun The Sunlight 5
Orthrelm
Opus Atlantica
Oathean 7
Orthodox 3
Ov Hell
Oratorio
Oratory
Oblomov 4
O.A.T.H.
Obsidian Gate 3
Okilly Dokilly 2
O.L.D. 5
Otyg 5
One Machine 2
Octinomos 4
Obsequiae 4
Orcustus 2
On A Pale Horse
October File 2
O.D
Ohm:
Old Funeral 2
— Artist has been update in past 30 days- Artist 3— Artist has more than two albums