[NightWish]

I can't find my complete list, but here is what I do have:

Spoiler for Contest II-VII + Duets I:

1000 no kotoba (Final Fantasy X-2)
Ai no Melody (Gin-iro no kami no agito)
Alive (Naruto)
Ame Agari (Angelic Layer).
Aoki Honoo (Pumpkin Scissors)
Asterisk (Bleach)
Asu e no Brilliant Road (Stellvia of the Universe)
Asu he no basho (Fullmetal Alchemist)
Awayuki (Mashiro Botan Game)
Balalaika (Kirarin Revolution)
Blue Forever (?)
Boku Note (Doraemon Movie 2006)
Brand New Breeze (La Corda d'Oro -primo passo)
broken wings (Trinity Blood)
Canta per Me (Noir)
Carnival Bable (Blue Seed)
Catch you catch me (Cardcaptor Sakura)
Chiisana tenohira (Clannad)
Cruel Angel Thesis (Neon Genesis Evangelion)
Cry No More (Blood+)
Days (Eureka 7)
Dearest (Inuyasha)
Dirge of Cerberus (Final Fantasy VII)
Dive in the sky (PlanetES)
Do You Want To (Paradise Kiss)
Don't Bother None (Cowboy Bebop)
Dynamite explosion (Macross 7)
Egao No Wake (Onmyouji)
Eternal Snow (Fullmoon wo Sagashite)
Ever Stay Snow (Snow Drop)
Every Heart English Version (Inuyasha)
Eyes on Me (Final Fantasy VIII)
Find the Way (Gundam Seed Destiny)
Fly me to the moon (Neon Genesis Evangelion)
Flying in the sky (G Gundam)
Flying Teapot (Cowboy Bebop)
friends (Senkaiden Houshin Engi)
Fukai Mori (Inuyasha)
Give a Reason (Slayers Next)
Goal (Eyeshield 21)
God Knows (The Melancholy of Suzumiya Haruhi)
Groovy (Cardcaptor Sakura)
Halleluja (Resident Evil)
Heaven's Not Enough (Wolf's Rain)
Hiru no Tsuki (Outlaw Star)
Hishoku no Sora (Welcome tothe NHK)
Hit in the USA (BECK)
Hitoiro (Nana movie)
hitomino chikara (Hikaru no Go)
Houki Kumo (Yakitate! Japan)
Inner Universe (Ghost in the Shell: Stand Alone Complex)
Innocence (Rurouni Kenshin)
Innocent~Mujaki na mama de~ (Digimon Frontier)
Invoke (Gundam Seed)
Kaze no Machi e (Tsubasa Chronicles)
Kaze no Youni to Jiyuu (Cooking Master Boy)
Kero! To march (Keroro Gunsou)
Kimi He (Final Fantasy X-2)
Kimi Wa Boku Ni Niteiru (Gundam Seed Destiny)
Kokoro (Xenosaga)
Kokoro no wakusei (Law of Ueki)
koya ruten (Bakumatsu Kikansetsu Irohanihoheto)
Kujike Naikara (Slayers)
Last Regrets (Kanon II)
Let Me Be With You (?)
Let's Go, Gekiganger 3! (Nadesico)
Life is Like a Boat (Bleach)
Lilium (Elfen Lied)
Living Inside the Shell (Ghost in the Shell Stand Alone Complex)
Lonely in Gorgeous (Paradise Kiss)
Loop (Tsubasa Chronicles)
Maigo (Tonari no Totoro)
Make you Free! (Prince of Tennis)
Makka na Chikai (Busou Renkin)
Memory ~ At Home ~ instrumental (Fruits Basket)
Merry Go Round (Yakitate!! Japan)
Moment (Gundam Seed)
Moon On The Water (Beck)
Moonlight Densetsu (Bishoujo senshi sailormoon)
Motherland (Full Metal Alchemist)
Mou Ichido Kimi ni Atta (Fullmetal Panic The Second Raid)
Musouka (Utawarerumono)
My Pace Daiou (Genshiken)
Myself (Full moon wo sagashite)
Ningyo Hime (Chobits)
No One (Shinigami no Ballad)
Open Your Mind (Ah My Goddess)
Passion (Kingdom Hearts 2)
Pastel pure (Maria-sama ga miteru)
Pathetique - II. Adagio cantabile (Nodame Cantabile)
Peace of mind (Soukyuu no Fafner)
Planetarium (Hana Yori Dango)
Pleasure Line (Chrono Crusade)
Pure Feeling (Rurouni Kenshin)
Puzzle (NHK ni Youkoso!)
Raison d'Etre (Chobits)
Ranma and Akane Ballad (Ranma 1/2)
Reason (Gundam Seed Destiny)
Red fraction (Black Lagoon)
Ride on Shooting star (FLCL)
Rose (NANA)
Sakasama No Chou (Jigoku no Shoujo)
Sakura Biyori (Bleach)
Sayonara Solitaire (Chrono Crusade)
Secret Sorrow (X TV)
Sekai ga Owaru Madewa (Slam Dunk)
Sen no Yoru wo Koete (Bleach)
Shinjitsu no Uta (Inuyasha)
Since last goodbye (Prince of Tennis)
Sincerely (Hikaru no Go)
Snake Eater (Metal Gear Solid 3)
Spinach Rag (?)
Split (Honey and Clover II)
Stray (Wolf's Rain)
Subarashiki Shin Sekai (Namco X Capcom)
Suiri no Kizuna (Spiral)
Suteki Da Ne (Final Fantasy X)
Tattoo Kiss (Kaleido Star)
The Beautiful World (?)
The Unyielding Wish (Magic Knight Rayearth)
This Love (Blood+)
Towa no Hana (Ai Yori Aoshi)
True Light (DNAngel)
Trust You (Shaman King)
Trust You Forever (Gundam G)
tsubasa wa pleasure line (Chrono Crusade)
Tsuki no Curse (Loveless)
Understar (Hajime no Ippo)
Undine (ARIA the ANIMATION)
Undo (Fullmetal Alchemist)
VERSION UP (Digimon Adventure)
W-Infinity (Gear Fighter Dendoh)
Wake up angel (Pita-Ten)
Wasurenaide (Agatha Christie's Great Detectives Pierot and Marple)
Watashi no Kare Wa Pairotto (Macross)
White Reflection (Gundam)
Wind's Nocturne (Lunar Silver Star Story) [instrumental]
Wings of Words (Gundam Seed Destiny)
X (X the Animation)
Yellow Moon (Naruto)
You (Sound Doujin Novels of Higurashi no Naku Koro ni Kai)
Yume no Naka E (Kareshi no Kanojo)
Yume no tsubasa (Tsubasa Chronicles)
Yurago Koto Nai A (Get Backers)