MP3.com: https://www.mp3.com/
Lycos MP3 search engine: https://mp3.lycos.com/
Diamond Multimedia Rio PMP300: https://www.diamondmm.com/products/current/rio.cfm
Open Source Rio tools: https://www.world.co.uk/sba/rio.htm
cdparanoia CD ripper: https://www.mit.edu/afs/sipb/user/xiphmont/cdparanoia/index.html
Bladeenc MP3 encoder: https://www.bladeenc.cjb.net/
Grip CD ripper and MP3 encoding front-end: https://www.ling.ed.ac.uk/~oliphant/grip/
mpg123 MP3 player: https://mpg.123.org/
GQmpeg MP3 player: https://www.geocities.com/SiliconValley/Haven/5235/mpeg-over.html
Empeg: https://www.empeg.com/
RIAA's 1998 Consumer Profile: https://www.riaa.com/stats/press/98Profile.PDF