Quicklists:

       ... Google

       ... LookSmart

       ... Yahoo!

+ + +

Sites:

12 Step Recovery From Audio CD-R
Problems on the PC

AfterNapster

Amazon.com's Free Downloads

AMG All-Music Guide

Artist Direct Network

Audiotools

BearShare

Billboard

Blue Highway

Blue Note Records

BuyMusic.com

CD Copy

CDnow

CD-Recordably FAQ

Children's Music Web

Classical Music

Classical Net

c|net Music Center

CMT.com

Cybercorder 2000

dmusic.com

EMusic

Epitonic.com

Eyeneer Music Archives

FindSounds

FolkLib Index (Folk Music Resource)

FreeKaraoke.com

Garageband

GMN.com

Grove Music

Harmony Central

House of Blues

How MP3 Players Work

Hyperreal

iMesh

iPod

iTunes

IUMA

Jazz Online

Kazaa

kissthisguy.com: Archive of Misheard Lyrics

K-lite

Launch

LimeWire

Liquid Audio

LP Ripper

Madster

Media Showcase

Ministry of Sound

Montreux Jazz Festival

Morpheus

MP3.com

MP3 Newswire

MTV

Mudcat Cafe

MusicMatch

MusicNet

MusicSearch

MusicStation: Newswire

Napster

New Radio Star

Oddsock

Old-Time Music in Portland

OM Records

OurGig.com

Pollstar: Concert Hotwire

Radio@Netscape

Rap Dictionary

Real Guide: Music, Radio

Red Hot Jazz Archive

Rhapsody

RioPort

RIP Vinyl

Rock & Roll Hall of Fame

Rock on the Net

Rolling Stone

Rough Guides to Music

Shockwave.com

SIRIUS Satellite Radio

SonicNet

Star Seeker

techmommy's Official CD Burning Tutorial

Top40db

Turntables.de

VH1

Winamp

WindowsMedia.com: Portable Devices

WinMX

World Wide Music

WZZN, The True Oldies Channel

XM Satellite Radio

Zeropaid.com

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Also see Radio & Web/Online as well as the following quicklists to music.
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Google