Welcome to Gaia! ::

I'll give you a list but it's long as hell...

Adolescence - Kagamine Len and Rin
Akai Ito - Kekkaishi
Alice Human Sacrifice - Vocaloid
Alive - Kasane Teto
Aozora No Namida - Blood Plus
Bang! Bang! Bang! Bang! Have A Nice Dream! - Death The Kid
Baragoku Otome - Rozen Maiden
Be My Angel - Angelic Layer
Bokura No Love Style - Hikaru and Kaoru
Bouken Desho Desho? - Haruhi Suzumiya
Bumble Bee - DDR
Candypop - Heartsdales
Catch Me If You Can - Pokemon
Chisana Inori - Fruits Basket
Colors - Code Geass
Come - Inuyasha
Complication - Durarara!!
Crazy Clown - Hatsune Miku and Kaito
Dancing Samurai - Kamui Gakupo
Daughter Of Evil - Kagamine Rin
Dearest - Inuyasha
Diamonds - Shinra Kishitani
The Disappearance Of Hatsune Miku - Hatsune Miku
The Disappearance Of Vocaloid - Vocaloid
Distance - Naruto Uzumaki
Doki Doki Waku Waku - Hunny
Every Heart - Inuyasha
For Fruits Basket - Fruits Basket
Forever - Elemental Gelade
Friends Forever - Hi Hi Puffy Ami Yumi
Fukai Mori - Inuyasha
Getcha Game On - YuGiOh GX
God Knows - Haruhi Suzumiya
Gotta Go Fast - Sonic X
Guilty Beauty Love - Tamaki
Hare Hare Yukai - Haruhi Suzumiya
Hi Hi - Hi Hi Puffy Ami Yumi
Hishoku No Sora - Shakugan No Shana
Hyperdrive - YuGiOh 5Ds
I'm Alive - Kuroshitsuji
I Wanna Be - Soul Eater
It's Only The Fairy Tale - Mai Hime
Jig The Upper - Powerpuff Girls Z
Joint - Shakugan No Shana
Just The Way I Am - The Buzz On Maggie
K2G - Hi Hi Puffy Ami Yumi
Kaeshite! Knee Socks - Lucky Star
Kaidoku Funou - Code Geass
Kasane's Territory - Kasane Teto
Kesenai Tsumi - Fullmetal Alchemist
Kibou No Kakera - Powerpuff Girls Z
Kinjirareta Asobi - Rozen Maiden
Koi Wa A La Mode - Tokyo Mew Mew
Kokoro - Kagamine Rin
Kokoro No Tamago - Shugo Chara
Liberty Party - Ronald Knox
Linda Linda - Kida Masaomi
Lost My Music - Haruhi Suzumiya
Love And Joy - Yuki Kimura
Love Love Shine - DDR
Mata Ashita - Ouran High School Host Club
Message Of Regret - Kagamine Rin
Miko Miko Nurse - (Don't know artist but look it up on youtube)
Mirai No Omoide - Finnian
Monochrome No Kiss - Kuroshitsuji
Motteke! Sailor Fuku - Lucky Star
Movin! Movin! - Bleach
My Sweet Heart - Tokyo Mew Mew
My Will - Inuyasha
Nagareboshi Shooting Star - Naruto
Naruto Ondo - Naruto, Sakura, and Shikamaru
Never Lose Myself - Black Star
Nightmare - Hell Girl
No Thank You - Kagamine Len
Oh My Juliet - Red Garden
Ojamajo Carnival - Magical Doremi
Paper Moon - Soul Eater
Pika Pika No Taiyou - Gakuen Alice
Planet Tokyo - Hi Hi Puffy Ami Yumi
Popipo - Hatsune Miku
Re Birthday - Kagamine Len
Renai Circulation - Izaya Orihara
Renai Circulation - Shizuo Heiwajima
Renai Circulation - Izaya and Shizuo
Renai Circulation - Sengoku Nadeko and Hanazawa Kana
Resonance - Soul Eater
Sakasama No Chou - Hell Girl
Sakura Kiss - Ouran High School Host Club
Sakura Saku - Love Hina
Sanctuary - Kingdom Hearts
Seishoujo Ryouiki - Rozen Maiden
Servant Of Evil - Kagamine Len
Sha la la ~Ayakashi Night~ - Kekkaishi
Shissou - Ouran High School Host Club
Shiver - Kuroshitsuji
Simple And Clean - Kingdom Hearts
So Crazy - Death The Kid
So Scandalous - Soul Eater Evans
Song Of Truth - Inuyasha
Still Doll - Vampire Knight
Style - Soul Eater
Suna No Oshiro - Vampire Knight
Take It Easy - Hatsune Miku
Tobira Wo Akete - Cardcaptor Sakura
Toki Wo Kakeru Shoujo - Anri Sonohara
Trick And Treat - Kagamine Len And Rin
Triple Baka - Hatsune Miku, Kasane Teto, Neru
Trust Me - Durarara!!
Tsugaru Kaikyou Fuyou Geshiki - Shizuo Heiwajima
Uragiri No Yuuyake - Durarara!!
Waka Laka - DDR
We Are Pop Candy - Hatsune Miku
World Is Mine - Hatsune Miku
A World Without Danger - Code Lyoko
Yoake Umarekuru Shoujo - Shakugan No Shana
You Will Rule The World - Sebastian Michaelis
Youkoso Sougiya He - Undertaker
Yura Yura - Naruto
Yuukyou Seishunka - Code Geass

Yeah... Told you it was long...

http://www.youtube.com/user/XxImmortalmagexX

http://www.youtube.com/user/Top100GameMusic