• Kazaa is a software application for downloading files.download image by michanolimit from Fotolia.com
  
  Kazaa is a popular service for downloading music. Consumers who subscribe to Kazaa pay a flat monthly fee of $19.98 a month. In exchange subscribers can download unlimited numbers of music tracks. Kazaa uses peer-to-peer (P2P) file sharing to ensure that music tracks can be downloaded rapidly. Kazaa is not available to consumers outside of the US.
  
  

Tixati

• Tixati, like Kazaa, uses peer-to-peer network file-sharing.network image by dinostock from Fotolia.com
  
  Tixati is a freely downloadable file-sharing program that allows consumers to download large numbers of music tracks for free. It does not charge any kind of monthly fee and is available to consumers in every country in the world.
  
  

iTunes

• iTunes allows you to purchase individual music tracks.ear buds 02 image by Darrell Sharpe from Fotolia.com
  
  iTunes is a popular music downloading services with which consumers can buy individual music tracks of their choice. Consumers can purchase iTunes vouchers that then allow them to download a certain number of tracks. The iTunes software itself can be downloaded for free and can be used to play music tracks that consumers have already bought. iTunes is available internationally. Music tracks are typically available for $0.99.
  
  

Spotify

• Spotify allows you to listen to a large library of tracks for a flat monthly fee.Close up of old Vinyl Records - focus on the record image by Andrew Brown from Fotolia.com
  
  Spotify is a freely-downloadable software application available to consumers in Norway, Sweden, Finland, Spain, the UK, France, and the Netherlands. Spotify allows consumers to stream music to their computers via an Internet connection. The free version of Spotify requires that consumers listen to commercials every two or three tracks. Consumers can access all the songs on Spotify without commercials for a flat monthly fee for £4.99. Consumers can also purchase tracks through Spotify for £0.99. Unfortunately, as of August 2010, Spotify is not available in the US.