A: Ayumi Hamasaki, Aikawa Nanase, Anzen Chitai, ABBA, Arashi
B:
C: Chage Aska
D: Domoto Tsuyoshi, Domoto Koichi
E: Erika Sawajiri
F: Fukuyama Masaharu
G: Grasshopper, GLAY
H: HYDE, hiro
I: Imai Eriko
J:
K: KinKi Kids, Ken Hirai, Kazumasa Oda, KAT-TUN
L: L'Arc~en~Ciel
M: Max, Mika Nakashima
N: NEWS, Noriko Sakai
O: Orange Range
P:
Q:
R:
S: Speed, Smap, S.H.E
T: Tackey & Tsubasa
U: Utada Hikaru
V: VAMPS
W:
X: X-Japan
Y:
Z:

A: Ayumi Hamasaki
B:
C:
D: Do as infinity (and probably DBSK.)
E: every little thing
F: flumpool
G: GReeeeN
H: Hikaru Utada
I: Ikimono Gakari
J: JASMINE, JUJU
K: Koda Kumi
L:
M: Mr. Children, Mai Kuraki, Mika Nakashima
N: Namie Amuro
O:
P: P!nk,
Q:
R:
S: SPEED,
T: Three Cord Wonder, Tommy Heavenly6,
U: Umm, Utada Hikaru? :D
V:
W: WaT
X:
Y: YUI
Z:

A: Ayumi Hamasaki, abingdon boys school
B: BUCK-TICK
C: Creature Creature
D:---
E:---
F:---
G: Girugamesh
H: HYDE
I:---
J:---
K: Kiyoharu
L: L'Arc~en~Ciel
M: MUCC
N:---
O: Olivia
P: Placebo
Q:---
R: Remioromen
S:---
T: T.M.Revolution,
U: Underneath, the
V: VAMPS
W:---
X: X-Japan
Y:---
Z:---
1,2,3: 12012, 9GOATS BLACK OUT

such a cool thread!

A: alan, ayumi hamasaki, aoyama thelma
C: cassie, ciara
D: danny fernandes
E: eminem
F: foxxi misq, fish leong, fan weiqi
G: gem tang, ginuwine
H: hidemi uematsu, hit-5, hins cheung
I: india.arie
J: jyongri, jasmine, jay chou
K: karina pasian, khalil fong
L: lee carr, lwam tecle, lee hom
M: mutya buena, may j, miliyah kato
N: namie amuro
O: otsuka ai
P: pleasure p
Q:
R: rainie yang, ryan leslie, rachel liang
S: stephanie cheng, stanley huang, satomi takasugi
T: the-dream, trey songz, theresa fu
U:
V: vanness wu
W: will pan
X: xiao yu
Y: yu-a, yuna ito
Z:

A: Ayumi Hamasaki, Aira Mitsuki, Ami Suzuki, Ahyoomee (Ayumi Lee)
B: Black Eyed Peas, BENNIE K, BoA
C: capsule, COLTEMONIKHA, Crystal Castles
D: -
E: -
F: -
G: -
H: HANGRY & ANGRY, HALCALI
I: immi
J: -
K: Koda Kumi, Kago Ai
L: Lady GaGa, Lena Park, Lee Hyori
M: MEG, melody. Mini Moni, Morning Musume,
N: Namie Amuro
O: -
P: Perfume, POLYSICS
Q: -
R: ravex
S: Saori@destiny, sowelu
T:
U: Utada Hikaru
V: -
W: Wonder Girls, Wakeshima Kanon
X: -
Y: YUI, Yousei Teikoku, Yunyu
Z: ZONE
1,2,3: 2NE1
other:

A: Ayumi Hamasaki, Angela Aki, Amy Winehouse
B: Beyoncé, BoA, Britney Spears
C: Christina Aguilera
D:
E: Evanescence
F: Fergie
G:
H:
I:
J: JASMINE
K: Koda Kumi, Katy Perry, Kelly Clarkson
L: Lady Gaga, Lily Allen
M: Madonna, Michael Bublé
N: Namie Amuro
O:
P:
Q:
R:
S:
T: The Killers, Taylor Swift, The Black Eyed Peas
U: Utada Hikaru, U2
V:
W: Within Temptation
X:
Y:
Z:
1,2,3:
other:

Teehee fun. :)

A: abingdon boys school, alan
B: B'z, the brilliant green, Bonnie Pink
C: chatmonchy, Cocco
D: Do As Infinity
E: Every Little Thing
F: FictionJunction, Fayray, Furukawa Miki
G: Gackt, GLAY, globe
H: HAL, Hamasaki Ayumi, hitomi
I: immi, Inaba Koushi
J: JERO, Judy And Mary
K: Kimura Kaela, Katase Nana, Kamiki Aya
L: L'Arc~en~Ciel, LUNA SEA, LOVE PSYCHEDELICO
M: m-flo, MiChi, Miyavi
N: Nakashima Mika, NOKKO
O: OLIVIA, Otsuka Ai
P: Perfume, the pillows, Puffy AmiYumi
Q: Quruli
R: Ruppina, ROAD OF MAJOR, Rie fu
S: school food punishment, Shiina Ringo, Suzuki Ami
T: Tohoshinki, Tokyo Jihen, Tsuchiya Anna
U: Utada Hikaru, Uehara Takako, UVERworld
V: VAMPS, Van Tomiko
W: WANDS
X: X-JAPAN
Y: YUI, Yaida Hitomi, Youjeen
Z: Zwei, ZARD, ZONE
1,2,3: 12012, 10-FEET
other: °C-ute

WOOHOO! I restricted it to japanese artists only, and I got at least one for every line. That was a challenge :)

A: Ayumi Hamasaki, alan
B: Baby V.O.X, Big Bang
C: CSJH The Grace
D: DBSK, D'espairsRay
E: EMYLI, ELLEGARDEN
F: Foxxi misQ, flumpool
G: GIRL NEXT DOOR
H: HIGH and MIGHTY COLOR, HYDE
I: Inoue Joe, immi
J: Jolin Tsai
K: Koda Kumi, Kuroki Meisa
L: L'Arc~en~Ciel, Lady GaGa
M: Michael Jackson, Miliyah Kato
N: Namie Amuro, NEWS
O: OLIVIA
P: P'UNK~EN~CIEL xD
Q: Quruli
R: Rie fu
S: SHINee, Shoko Nakagawa
T: TETRA-FANG, the HIATUS
U: UVERworld
V: VAMPS
W: Wonder Girls
X: ...
Y: Yamada Yu, Yuna Ito
Z: Zwei
#: 101A

A - Ayumi Hamasaki
B - Bamasaki Ayumi
C - Camasaki Ayumi
D - Damasaki Ayumi
E - Emasaki Ayumi
F - Futari-saki Ayumi
G - Gomi-saki Ayumi
H - Hamasaki Ayumi
I - Ichi-saki Ayumi
J - Jiraiya-saki Ayumi
K - Kuma-saki Ayumi
L - Nori-saki Ayumi
M - Mamasaki Ayumi
N - Norisaki Ayumi
O - Ooki-saki Ayumi
P - Pikachu-saki Ayumi
R - Ren-saki AYumi
S - sora-saki Ayumi
T - Toysaki Ayumi
U - Utasaki Ayumi
V - vivasaki Ayumi
W - Wowasaki Ayumi
X - Xsaki AYumi
Y - Yamsaki Ayumi
Z - Zoro-saki Ayumi

:D

tried to keep one artist per letter...to no avail.

A: ayumi hamasaki / Ami Suzuki
B: belanova / Bob Marley /
C: capsule / clazziquai project / Cyndi Lauper / Coldplay
D: dido / depeche mode / Dolce Triade
E: Emi Hinouchi / Eiko Shimamiya / Eurythmics
F: Feist / Freezepop
G: Garbage
H: Humming Urban Stereo
I: immi
J: Jordan Rudess
K: Koda Kumi / kodomo
L: L'Arc~en~Ciel / Lilly Allen / Late Night Alumni
M: mink / MAI / Matisyahu /
N: Natalie Merchant / Namie Amuro
O:
P: Pat Benatar / Peppertones
Q: Queensryche
R: Rie fu / Robert Miles / Rage Against the Machine
S: Saori@destiny / Selena / Spangle Call lilli Line
T: Texas Pandaa / tiana xiao / TOOL / TVXQ
U: Utada Hikaru
V: Van Halen
W:
X:
Y: Yael Naim / Yoko Shimomura
Z:
1,2,3: 10,000 Maniacs
other:

A: Ayumi Hamasaki:heart
B: BoA
C:
D: Do As Infinity
E:
F:
G: Gackt
H:
I:
J: JASMINE
K: Koda Kumi, Kalafina
L: Leah Dizon (eh, i guess)
M: Mika Nakashima
N: Nana starring Mika Nakashima
O: Otsuka Ai
P: Perfume (kinda)
Q:
R: Robots in Disguise, Reira starring Yuna Ito
S:
T: Tohoshinki (i guess)
U: Utada Hikaru, Ueto Aya
V:
W:
X:
Y: Yuna Ito
Z:
1,2,3:
other: 浜崎 あゆみ :D

yes, i need to find more singers, lol

Hmmmm this sound interesting ^_^


A - alan / Ayumi Hamasaki / A-mei
B - BoA / Beyoncé / Britney Spears
C - Crystal Kay / Christina Aguilera / Celtic Woman
D - Denise Ho / Destiny's Child
E - Emilie Autumn / Elva Hsiao
F -
G - Girls' Generation
H - hitomi / Hitomi Shimatani
I - Idina Menzel
J - Jolin Tsai / JASMINE
K - Koda Kumi / Kelly Sweet / Karen Mok
L - Lee Hyori / Leah Dizon / Lee Jung Hyun
M - Miliyah Kato / Meisa Kuroki / Miho Fukuhara
N - Namie Amuro / Nami Tamaki
O - OLIVIA / Origa
P - P!nk
Q -
R - Rihanna / Rie Fu
S - Shakira / Stefanie Sun / SOULHEAD
T - Tata Young / t.A.T.u / Taylor Swift
U - Utada Hikaru
V - Vivian Hsu / Vanilla Ninja
W -
X -
Y - Younha / yozuca*
Z -


Hmmm... almost the entire alphabet.... but not quite

A: Ayumi Hamasaki, Adele, ayaka, Angela Aki, alan
B: BoA, Britney Spears, Bitter:Sweet
C: capsule, Carrie Underwood, Casker, Clazziquai Project, Crystal Castles, Corrine Bailey Ray, Colbie Caillat
D: Do As Infinity, Duffy
E: Eri Nobuchika, Elise Estrada, E.S Posthumus, ERIKA
F: Frou Frou, (The) Fugees
G: GIRL NEXT DOOR, Girlicious, Gym Class Heroes, Girls Aloud, Goldfrapp
H: Hitomi Shimatani, hitomi
I: Imogen Heap
J: Jordin Sparks, Jade Valerie, Jason Mraz, Julianne Hough, Jack Johnson
K: Koda Kumi, Kaskade, Kelly Clarkson, Kuroki Meisa
L: Leona Lewis, Late Night Alumni, Leah Dizon, LIGHTS, Lady GaGa
M: Mariah Carey, melody., Maki Goto, Mika Nakashima
N: Namie Amuro, Natasha Bedingfield, No Doubt
O: OLIVIA, Orange Pekoe
P: Perfume, paris match, (The) Pussycat Dolls
Q:
R: Rob Thomas, Rachel Stevens, Rihanna
S: Samantha James, sifow, Snow Patrol, Sweetbox (Jade Valerie), (The) Saturdays
T: Taylor Swift
U: Utada Hikaru
V: Vanessa Carlton
W: Wonder Girls
X:
Y:
Z:
123:

Some of the artists mentioned are no longer active but that doesn't stop me from still listening to them =)

A: Ayumi Hamasaki
B: Bach
C: Chroma Key
D: Dream Theater
E: Elton John
F: Femi Kuti
G: ...
H: High and Mighty Color
I: ...
J: Jordan Rudess
K: Kamelot
L: Liquid Tension Experiment
M: move
N: Nobou Uematsu
O: O-Zone (lol)
P: Paul Oakenfold
Q: ...
R: Rockapella
S: Shimabukoro, Jake.
T: Tan Dun
U: Utada Hikaru
V: Vanessa Mae
W: Warren G
X: ...
Y: ...
Z:

cool, never thought about it

A: Ayumi Hamasaki
B: Beyoncè Knowles / Bob Sinclair / Black Eyed Peas / Bat for Lashes
C: Coldplay / Christina Aguilera
D: Do As Infinity / Destiny's Child
E: Empire Of The Sun
F:
G:
H:
I: -
J:
K: koda Kumi
L: Lady Gaga
M: Moby / Muse / Mariah Carey
N: Namie Amuro
O: OLIVIA
P: Placebo
Q: -
R:
S: Suzuki Ami / Shakira
T:
U: Utada Hikaru
V: -
W: -
X: -
Y:
Z: -
1,2,3: -
other: -

I don't remember actually others..but I swear there are much more

Interesting thread. I will list Japanese artists only. It's no secret that I like the 80s. :)

A: AKB48, ayaka, Amuro Namie
B: B'z, the brilliant green
C: Candies, CHAGE & ASKA
D: DREAMS COME TRUE, DEEN
E: Every Little Thing
F: Fukuyama Masaharu
G: GIRL NEXT DOOR, GLAY, GReeeeN
H: Honda Minako, Horie Yui, HIGH and MIGHTY COLOR
I: Iijima Mari, Iwasaki Yoshimi
J: JUDY AND MARY
K: Koizumi Kyoko, Kikkawa Koji, Kuwata Keisuke
L: LINDBERG, L'Arc~en~Ciel
M: Matsuda Seiko, Mr.Children, Moritaka Chisato
N: Nakamori Akina, Nakajima Miyuki, Nakayama Miho
O: Okada Yukiko, Onyanko Club
P: Perfume
Q:
R: REBECCA, Rie fu
S: Sakai Noriko, Saito Yuki, Southern All Stars
T: Tommy february6
U: Utada Hikaru, Ushiroyubi Sasaregumi
V: V2
W: WANDS, Wink, Watanabe Misato
X: X JAPAN
Y: Yamaguchi Momoe, Yakushimaru Hiroko
Z: ZARD

finally some poeple saying HIGH and MIGHTY COLOR!
My list:
(the reason for its shortness is that i was very tired while writing and dont even remember my favourite artists xDDD)
a alan, Ayumi Hamasaki
b
c
d
e
f
g
h HIGH and MIGHTY COLOR, Hamasaki Ayumi
i
j
k
l
m Mizuki Nana
n Nana Mizuki
o
p Pillar
q
r
s
t
u
v
w
x X-Japan
y
z

A: Arctic Monkeys / Ann Lewis
B: B'z / Billy Joel / Bruce Springsteen / Beastie Boys
C: Craig David
D: Diana Ross & The Supremes / Donny Hathaway
E: Electric Light Orchestra
F: Fleetwood Mac / Frank Sinatra
G: Genesis
H: Hamasaki Ayumi / HI-D / Honda Minako
I: Iron Maiden
J: Jackson 5 / The Jacksons / Janet Jackson / John Legend
K: Ketsumeishi
L: LOVE PSYCHEDELICO
M: Michael Jackson / Mr.Children / Misora Hibari
N: N*E*R*D / Ne-Yo / Nat King Cole
O: Ohguro Maki
P: Prince / Paul Simon / PUSHIM
Q: Queen
R: Rod Stewart
S: Southern All Stars / Sublime / Stevie Wonder
T: Talking Heads / TLC / Tom Petty & The Heartbreakers / Tokunaga Hideaki
U: Ulfuls
V: Vanessa Carlton
W: Wishbone Ash
X:
Y: Yamazaki Masayoshi, Yamashita Tatsuro
Z:
#:

Wooooo!

This sounds so much fun! :)

A: Ayumi Hamasaki, Ami Suzuki, Accross The Universe (musical)
B: The Beatles, Britney Spears, Buono!
C: C-ute
D: Daniel Beddingfield, Darin
E: Evanesence
F: ---
G: ---
H: HANGRY&ANGRY, Hello!Project (if that counts ;))
I: Imogen Heap
J: JYONGRI, Jason Mraz
K: Koda Kumi, Katy Perry, Kelly Clarkson
L: Lady Gaga, Lily Allen
M: Morning Musume, Miki Fujimoto
N: ---
O: ---
P: Panic! At The Disco, Paramore, The Pipettes
Q: Queen
R: ---
S: Stephanie, The Sounds
T: Taylor Swift
U: ---
V: v-u-den
W: Wicked (musical), Wolfmother
X:---
Y: ---
Z:---
1,2,3: 30 Seconds To Mars
other: