*note that some bands don't restrict themselves to one genre, so please know that in several cases it was hard for me to choose where to put them.
Thrash Metal: Megadeth, Metallica, Pantera, Slayer
Progressive & Power Metal: Ayreon, Blind Guardian, Hammerfall, Nightwish, Sonata Arctica, Stratovarius, Therion
Speed Metal: Iced Earth, Nevermore
Technical/Death Metal: Arch Enemy, Dark Tranquillity, Death, Hypocrisy, In Flames, Meshuggah, Norther, Opeth
Black & Extreme Gothic Metal: ...And Oceans, Behemoth, Cradle of Filth, Dimmu Borgir
Doom Metal: Anathema, The Gathering, Katatonia, My Dying Bride, Novembre, Paradise Lost, The Sins of thy Beloved
'Cello Metal': Apocalyptica
Gothic Metal: After Forever, Crematory, Epica, Flowing Tears, Lacrimosa, Lacuna Coil, Leaves' Eyes, Macbeth, Moonspell, Sirenia, Theatre of Tragedy, To/Die/For, Trail of Tears, Tristania, Within Temptation
Gothic Rock: The 69 Eyes, Dreadful Shadows, HIM, London After Midnight, Love Like Blood, Mortiis, The Sisters of Mercy, Type O Negative
Industrial/EBM: And One, Apoptygma Berzerk, Diary of Dreams, Front Line Assembly, L'Ame Immortelle, Mesh, Neuroticfish, Nine Inch Nails, Project Pitchfork, Seabound, Silke Bischoff (now 18 Summers), T.O.Y., Wolfsheim, Zeromancer
Industrial Metal: OOMPH!, Rammstein
Alternative & Nu-Metal: Fear Factory, Injected, Killswitch Engage, Korn, Machine Head, Raunchy, Sevendust, Skindred, System of a Down
Rock: A Perfect Circle, The Cranberries, Garbage, Gotthard, Guns N' Roses, Hundred Reasons, Muse, Nina Hagen, Placebo, Pyogenesis, Skunk Anansie, Soundgarden
Pop: Alanis Morissette, Blondie, Depeche Mode, Gary Numan, Heart, Kate Bush, Kim Wilde, Kylie Minogue, Madonna, No Doubt, REO Speedwagon, Sarah Brightman, Spandau Ballet, Tears for Fears, Toto, Tori Amos
New Age: Delerium, Enigma, Enya, Loreena McKennitt, Vangelis
After Forever - Decipher
After Forever - Exordium EP
After Forever - Invisible Circles
After Forever - Prison of Desire
After Forever - Remagine
Alanis Morissette - Jagged Little Pill
Alanis Morissette - The Collection
Ambeon - Fate of a Dreamer
And One - Aggressor
A Perfect Circle - Mer de Noms
A Perfect Circle - Thirteenth Step
Apocalyptica - Reflections
Apoptygma Berzerk - 7
Apoptygma Berzerk - Harmonizer
Arch Enemy - Wages of Sin
Ayreon - Into the Electric Castle
Balligomingo - Beneath the Surface
Bjork - Post
Black Sabbath - Black Sabbath
Black Sabbath - Master of Reality
Blondie - Greatest Hits
Bonfire - Fuel to the Flames
Coal Chamber - Chamber Music
Coal Chamber - Coal Chamber
Cradle of Filth - Dusk and Her Embrace
Cradle of Filth - Nymphetamine
Cranberries, The - Stars: The Best of 1992-2002
Crematory - Act Seven
Crematory - Revolution (d/l)
Danzig - Danzig
Dark Tranquillity - Projector
Death - Symbolic
Delerium - Karma
Depeche Mode - The Singles 86>98
Depeche Mode - Violator
Diary of Dreams - Freak Perfume
Dreadful Shadows - The Cycle
Enigma - Love Sensuality Devotion
Enya - Paint the Sky with Stars
Enya - Watermark
Epica - Consign to Oblivion
Fear Factory - Archetype
Fear Factory - Demanufacture
Fear Factory - Digimortal
Fear Factory - Obsolete
Fear Factory - Soul of a New Machine
Flowing Tears - Serpentine
Foo Fighters - The Colour and the Shape
Front Line Assembly - Implode
Garbage - Garbage
Garbage - Version 2.0
The Gathering - How to Measure a Planet?
The Gathering - If_Then_Else
The Gathering - Mandylion
The Gathering - Nighttime Birds
Gotthard - Human Zoo
Guns N' Roses - Appetite for Destruction
HIM - Razorblade Romance
Hundred Reasons - Ideas Above Our Station
Incubus - Make Yourself
In Flames - Clayman
Injected - Burn It Black
Iron Maiden - Powerslave
Katatonia - Viva Emptiness
Kate Bush - Aerial
Kate Bush - The Whole Story
Kidneythieves - Zerospace
Killswitch Engage - The End of Heartache
Kim Wilde - The Singles Collection: 1981-1993
Korn - Korn
Kylie Minogue - Fever
Kylie Minogue - Ultimate Kylie
L'Ame Immortelle - Gezeiten (d/l)
Lacrimosa - Echos
Lacrimosa - Fassade
Lacuna Coil - Comalies
Lacuna Coil - In a Reverie
Lacuna Coil - Karmacode
Lacuna Coil - Unleashed Memories
Leaves' Eyes - Lovelorn
Leaves' Eyes - Vinland Saga
Lennon - 5:30 Saturday Morning
Liv Kristine - Deus Ex Machina
London After Midnight - Selected Scenes from the End of the World
Macbeth - Romantic Tragedy's Crescendo
Macbeth - Vanitas
Machine Head - Through the Ashes of Empires
Mad Capsule Markets, The - OSC DIS
Massive Attack - Mezzanine
Megadeth - Peace Sells...But Who's Buying?
Megadeth - Rust in Peace
Megadeth - Youthanasia
Mesh - The Point At Which It Falls Apart
Meshuggah - Chaosphere
Meshuggah - Destroy Erase Improve
Meshuggah - Nothing
Metallica - Master of Puppets
Moonspell - Sin/Pecado
Mortiis - The Smell of Rain
Muse - Black Holes & Revelations
Muse - Showbiz
Mushroomhead - XX
Nemesea - Mana
Neuroticfish - Gelb
Nevermore - Dead Heart, in a Dead World
Nevermore - Enemies of Reality
Nevermore - This Godless Endeavor
Nightwish - Angels Fall First
Nightwish - Century Child
Nightwish - Oceanborn
Nightwish - Once
Nightwish - Over the Hills and Far Away EP
Nightwish - Wishmaster
Nine Inch Nails - The Downward Spiral
OOMPH! - Defekt
OOMPH! - Ego
OOMPH! - GlaubeLiebeTod
OOMPH! - Gott ist ein Popstar [SINGLE]
OOMPH! - Oomph!
OOMPH! - Plastik
OOMPH! - Sex hat keine Macht [SINGLE]
OOMPH! - Unrein
OOMPH! - Wahrheit oder Pflicht
OOMPH! - Wunschkind
Opeth - Damnation
Pantera - Vulgar Display of Power
Paradise Lost - Draconian Times
Placebo - Without You I'm Nothing
Rammstein - Mutter
Rammstein - Sehnsucht
Samael - Reign of Light
Sevendust - Animosity
Sevendust - Home
Sevendust - Next
Sevendust - Seasons
Sevendust - Sevendust
Sins of thy Beloved, The - Lake of Sorrow
Skindred - Babylon
Skunk Anansie - Paranoid & Sunburnt
Skunk Anansie - Post Orgasmic Chill
Skunk Anansie - Stoosh
Slayer - Reign in Blood
Sonata Arctica - Silence
Sonata Arctica - Winterheart's Guild
Soundgarden - Superunknown
Spandau Ballet - Gold: The Best Of
Staind - Break the Cycle
Staind - Dysfunction
Stratovarius - Infinite
Stratovarius - Intermission
Stratovarius - Visions
Theatre of Tragedy - A Rose for the Dead EP
Theatre of Tragedy - Aegis
Theatre of Tragedy - Assembly
Theatre of Tragedy - Inperspective EP
Theatre of Tragedy - Musique
Theatre of Tragedy - Storm
Theatre of Tragedy - Theatre of Tragedy
Theatre of Tragedy - Velvet Darkness They Fear
Therion - Lemuria
Therion - Sirius B
To/Die/For - Epilogue
Tool - Aenima
Tool - Lateralus
Tool - Undertow
Tori Amos - Under the Pink
Tristania - Beyond the Veil
Type O Negative - Bloody Kisses
V/A - Beauty in Darkness, Vol. 2
V/A - Beauty in Darkness, Vol. 5
V/A - Metal Dreams
V/A - Metal Dreams, Vol. 2
Vangelis - Themes
Vixen - Vixen
Within Temptation - The Dance EP
Within Temptation - Enter
Within Temptation - Mother Earth
Within Temptation - The Silent Force
Within Temptation - The Silent Force Tour Live CD
Wolfsheim - Spectators
Zeromancer - Eurotrash