MP3.com: http://www.mp3.com/
Lycos MP3 搜索引擎: http://mp3.lycos.com/
Diamond Multimedia Rio PMP300: http://www.diamondmm.com/products/current/rio.cfm
开源 Rio 工具: http://www.world.co.uk/sba/rio.htm
cdparanoia CD 抓取工具: http://www.mit.edu/afs/sipb/user/xiphmont/cdparanoia/index.html
Bladeenc MP3 编码器: http://www.bladeenc.cjb.net/
Grip CD 抓取和 MP3 编码前端: http://www.ling.ed.ac.uk/~oliphant/grip/
mpg123 MP3 播放器: http://mpg.123.org/
GQmpeg MP3 播放器: http://www.geocities.com/SiliconValley/Haven/5235/mpeg-over.html
Empeg: http://www.empeg.com/
RIAA 1998 年消费者概况: http://www.riaa.com/stats/press/98Profile.PDF