An amusing aside: Release naming convention!

Nice Picks! I'll try to keep it different from yours....

A - AC/DC
B - Boston
C - Coldplay / Colbie Caillat / Counting Crows / CCR
D - Dave Matthews / Death Cab / Dispatch / Daft Punk
E - Eagles / ELO / Elton John
F - Fleetwood Mac / Flight of the Concords / Foreigner
G - Girl Talk / Goo Goo Dolls / Gun's N Roses
H - Heart
I - Incubus / Iron & Wine
J - Justice / Jefferson Airplane / Jack Johnson
K - Kaiser Chiefs / Knack / Kings of Leon
L - Lennon
M - Mellencamp / Modest Mouse
N - Norman Greenbaum / Norah Jones / NIN
O - Ozzy Osborne
P - Paul Simon / Postal Service
Q - Quiet Riot / Queens of the Stoneage
R - Radiohead / Rodrigo Y Gabriela / Rod Stewart / Rush / Rolling Stones / Red Hot Chili Peppers
S - The Shins / Simon & Garfunkel / Steve Miller Band / The Strokes / Sublime / STYX / Sufjan Stevens
T - Toto / Tupac / Tilly and the Wall
U - Usher
V - Vampire Weekend
W - Wallflowers / Weezer / The Who / Willy Nelson / The White Stripes
X - Xiu Xiu (Listen to their version of Fast Car by Tracy Chapman... its is soo creepy and awesomely hilarious... Not a good representation of the actual band tho)
Y - Yes / Yo Yo Ma
Z - ZZ Top

Love it, love it! I wanna switch some of mine now! Lulz.Particularly love your 'I' and your 'S' - it's hard trying to confine it to 1!

Also, points for putting Norah Jones next to NIN - how many times can that have happened...ever? That would be an awesome queue at the bus stop...

To see things from a more classical point of view:

A
Beethoven, Bizet
Chopin
Debussy
Elgar
Field
Grieg
Händel, Haydn
I
J
Kraus
Liszt, Lully
Mozart, Mendelssohn, Mahler
N
Orff, Offenbach
Pachelbel, Piazolla, Prokofjev
Q
Rachmaninoff, Rossini
Strauss, Shostakovich, Schubert, Schumann, Satie, Sibelius, Salieri
Tchaikovsky
U
Vivaldi
Webber, Wagner
X
Y
Zimmer

I can't seem to fill all gaps. Alas.

A - AC/DC
B - Blue Foundation
C - Christophe Willem
D - Daft Punk
E - Eurythmics
F - Fall Out Boy
G - Green Day
H - Hoobastank
I - Imagination
J - Jamiroquai
K - KT Tunstall
L - Linkin Park
M - Manau
N - Nirvana
O - Oasis
P - Police
Q - Queen
R - Radiohead
S - Supertramp
T - Téléphone
U - U2
V - Verve
W - White Stripes
X - X-ecutioners
Y - Yes
Z - Z-trip

One of the things I love about Songbird is that in a conversation between a handful of users, we've covered vast areas of the musical landsacpe. Beauty in diversity and all that. Awesome, people!

a - Axl (Rose) / Armstrong
b - Benassi / Bono / Buble` / Bowie
c - Cypress (Hill) / Cooper
d - Dre
e - Evermore
f - Fatboy / (Pink) Floyd
g - Gorillaz
h - I stole this one from above, but Hoodie is good ;)
i - Nothing (INXS has been mentioned, but don't really think its a good choice)
j - (Bon) Jovi / Jagger
k - Killers, Kaiser, Kiss
l - Lennon, Louis (Armstrong)
m - Management / Moby / Muse / Manson
n - Nine Inch / Nirvana
o - Oasis, Osbourne
p - Pink (Pink or pink floyd) / Presets
q - Queen
r - Rhomb / Reznor / Radiohead / Robbie / Rolling Stones
s - (steven) Tyler
t - Trans Siberian / Tiesto / Tenacious (D)
u - Usher
v - venga (BAD suggestion probably) / Verve
w - (Robbie) Williams
x - All options here suck (Xzibit?)
y - Options kind of suck here too.. Unless you want Yahel :P
z - (Hans) Zimmer

Dunno.. Could have done better...

A - Architecture In Helsinki
B - Black Kids
C - Cat Stevens
D - Daft Punk
E - Eric Clapton
F - Franz Ferdinand
G - Gorillaz
H - Hot Chip
I - Iggy Pop
J - Justice
K - Kenny Rogers
L - Lennon
M - Modest Mouse
N - Neutral Milk Hotel
O - Oasis
P - Philip Glass
Q - Queen
R - Ratatat, Radiohead
S- Strokes
T- Travis
U - Unicorns
V - Vapors
W - Wolfmother
X- (Dunno any)
Y - Yo-Yo Ma

A - Architecture In Helsinki
B - Black Kids
C - Cat Stevens
D - Daft Punk
E - Eric Clapton
F - Franz Ferdinand
G - Gorillaz
H - Hot Chip
I - Iggy Pop
J - Justice
K - Kenny Rogers
L - Lennon
M - Modest Mouse
N - Neutral Milk Hotel
O - Oasis
P - Philip Glass
Q - Queen
R - Ratatat, Radiohead
S- Strokes
T- Travis
U - Unicorns
V - Vapors
W - Wolfmother
X- (Dunno any)
Y - Yo-Yo Ma

I'll go for an Australian/New Zealand list

A - AC/DC
B - Ben Folds Five (honorary Australian)
C - Cut Copy
D - Drones
E - Empire of the Sun
F - Flight of the Conchords
G - Go-Betweens
H - Hilltop Hoods
I - INXS
J - Jet
K - Katalyst
L - Ladyhawke
M - Midnight Oil
N - Nick Cave
O - Outline
P - Presets
Q - I Killed the Prom Queen (closest I could find)
R - Regurgitator
S - Silverchair
T - TISM
U - Underground Lovers
V - Vasco Era
W - Wolfmother
X - Xavier Rudd
Y - You Am I
Z - Zoot

I likes making this :). A few were close calls.

A - Ataxia
B - Buckley (from Jeff or Tim. And Bon Iver was a close call)
C- Cat Power
D - Devendra Banhart
E - Eluvium
F - Frusciante (John)
G - Grizzly Bear
H - Hymie's Basement
I - Iron and Wine
J - Joanna Newsom
K - King Crimson
L - Ludwig van Beethoven
M - Mars Volta
N - Neutral Milk Hotel
O - Of Montreal
P - Panda Bear (or Portishead)
Q - Queen
R - Radiohead
S - Sigur Rós (or Sufjan Stevens... this is the toughest one)
T - Thom Yorke
U -
V - Velvet Underground
W - Wu Tang
X - Xiu Xiu
Y - Yeah Yeah Yeahs
Z - All I have is in my library is ZREO (Zelda Reorchestrated :P)

Since the SB team went up to Nirvana I start from that point on:

O - OMD
P - Pixies
Q - Queen
R - Radiohead
S - Sigur Rós
T - Telepopmusik
U - U.N.K.L.E.
V - Velvet Underground
W - Wannadies
X - XTC
Y - Yo La Tengo
Z - Zita Swoon

Me to ......
O - Ozzy / Ozric Tentacles
P - Public Image
Q - Oueens of the Stoneage
R - Red Hot Chili Peppers / Radiohead
S - Sonic Youth
T - Tool / The Sisters of Mercy (They care for the THE)
U- Ubu Roi / U.N.K.L.E
V - Violent Femmes - The Velvet Underground
W - White Zombie / Will Haven
X - Generation X
Y - Yello
Z - Zappa / Zita Swoon.

For the Heck...
A - Ataxia
B - Bob Dylan
C - Cream
D - dEUS
E - Einstürzende Neubauten
F - Fugazi (right pick ...:))=)
G- Goran Bregovic
H - Helmet
I - Iggy Pop
J - Joy Division (because Frusciante is in the Peppers and Ataxia)
K - Korn
L - Ladytron / Leonard Cohen
M - Minor Threat
N- Nirvana

Adult
Beanie
Caribou
Dizzee
Erykah
Fats
Ghostface
Herbaliser
Iggy
Jarvis
Kraftwerk
Ladyhawke
Mu
Negativland
(NOTHING STARTS WITH O...WTF?)
PJ
(La) Roux
Sade
Thunderheist
Uffie
Vangelis
Wombats
X-102
Yma
Zevon

Well, why not...
Arcade Fire
Beatles, Black Kids, Bon Iver
Coral
Dylan
Elliott (Smith)
Friendly Fires
Gonzáles (as in Jose)
Hot Chip
Incubus, Interpol
Jack (Johnson or Penate)
Kubichek!
Libertines
Muse
Nirvana - obviously
Oasis maybe, but they sorta suck
Pixies
Queen - or Queens of the Stone Age.
Radiohead
Strokes
Tenacious D
U - maybe just skip U?
Velvet Underground
Wolfmother
Xiu Xiu
Yeah Yeah Yeahs
Zutons, or Zappa

I suppose that the real task is to ignore all our personal preferences and stylistic differences and all that and to choose the artist who had the greatest impact on the musical landscape. Maybe go for the pioneers rather than the popular or personal favourites? Check out my aliteration there :P So yeah, you won't find me in a Never Mind hoodie anytime soon but I'd still go for Nirvana for N.

all i can say is that we need to go classic

o should be Orbison, Roy

Flip time! Song Names now! (+the ultimate Songbird web playlist!)
Here's an indie-ish one... ive also got a modern-alternative and oldie one churin in my head too:
A - The Arm - Islands
B - Beat Control - Tilly and the Wall
C - Colors - Kira Willey
D - Do You Realize?? - The Flaming Lips
E - Everybody Here Is A Cloud - Cloud Cult
F - Fools - Dodos
G - Good Day - Jukebox The Ghost
H - Half My Heart Beats - The Smittens
I - In Bloom - Hooverphonic (hypem)
J - July, July! - The Decemberists
K - Keep The Car Running - Arcade Fire
L - Lovely Allen - Holy Fuck
M - Medicine Man - The Hush Sound
N - North American Scum - LCD Soundsystem
O - Orange Sky - Alexi Murdoch
P - Pachuca Sunrise - Minus the Bear
Q - Queen Bee - Neil Halstead (hypem)
R - Relief - Cold War Kids
S - Sleepyhead - Passion Pit
T - Tane Mahuta - The Ruby Suns
U - Upon This Tidal Wave Of Young Blood - Clap Your Hands Say Yeah
V - The View From The Afternoon - Arctic Monkeys
W - Wrecking Ball - Mother Mother
X - Xavia - Submarines
Y - Your English Is Good - Tokyo Police Club
Z - Zak And Sara - Ben Folds

dont forget to open this in songbird... :)

You know, awesome add on idea: button which downloads all available tracks on a page, saves therm in a folder you point it at and creates a playlist with them all...yeah, I'm really lazy.