Global Suitcase Musical Recordings 
Free MP3 songs including smooth jazz, ambient, acoustic instrumentals.
http://www.globalsuitcase.com/Muzak
Founders of piped music and the science of how music affects the behavior of customers.
http://www.muzak.com/
Light Music Hall of Fame
A textual tribute to light orchestral music from the 1940s through the early 1960s. Features biographical information on the top composers, arrangers, and orchestrators; lists of their songs and links to other sources.
http://www.classicthemes.com/LMHOF.shtml
Space Age Pop Music
An online encyclopedia of exotica, lounge, space age pop, and easy listening music.
http://www.spaceagepop.com/
Robert Farnon Society
For fans of light music, including a guide to composers such as Leroy Anderson, Percy Faith and Andre Kostelanetz.
http://www.rfsoc.org.uk/
Topix: Easy Listening
News about easy listening, collected from various sources on the web.
http://www.topix.com/rss/music/easy-listening.xml
Legends of Light Music
Brief biographies of about 50 of the most well-known composers, conductors, and performers of easy listening music, from the Robert Farnon web site.
http://www.rfsoc.org.uk/morelegends.shtml
