General Music

-- Classical Music
-- Jazz
-- Other Styles

-- Music Theory
-- Instruments

 Lyrics, Sheet Music

 Online Music & Audio

 Music Reviews

 Media Players, Editors

 Online Music 

For Audio books, see our eBooks page

• Audio Search
  
  Find Sounds -- Muvibee (music videos) -- Soungle -- Yahoo! Music
• Retail Music
  
  AOL -- Apple iTunes -- iDownload -- PayPlay -- Rhapsody
• Royalty Free Music
  
  Chris Worth Productions -- incompetech -- Magnatune -- SoundJay -- soundzabound
  (Not necessarily free to buy but is free of royalty fees on further use once purchased. Be sure to read each license for further details; music from these sites is not copyright-free.)
• 55 Great Websites To Download Free Sound Effects
  From an online tech blog. As always, check each site carefully for terms of use.
• The Customer Is Always Wrong: A User's Guide to DRM in Online Music
  An analysis of the use of Digital Rights Management in online music sources.
• iheard
  "An easy to use search interface and directory with thousands of [internet radio] stations organized by genre, country and language."
• Juice Receiver
  "Want to listen to internet audio programs but can't when they are scheduled? This program lets you create your own custom online audio anytime, anywhere."
• Public Domain Music
  "A reference site to help identify public domain songs and public domain music..."