A Web-based service that sells copyrighted songs and albums for a fee. With Apple's iTunes being the most popular, an online music store is a legitimate music distribution organization that pays royalties to the music's copyright holders. Even Napster, which became infamous in the early 2000s for facilitating illegal copying, became a legitimate service in 2003.Following are some of the major online music stores in alphabetical order. For music information in general, visit www.mp3.com. Contrast with peer-to-peer network, which allows people to share music, whether copyrighted or not. See music streaming service.Major Labels www.eMusic.com www.iTunes.com www.Napster.com www.Rakuten.com www.WalMart.com Independent Artists www.CDbaby.com www.LiveDownloads.com www.MySpace.com.