Excellent sources for music related information are mailing lists and various web forums dedicated to certain artists. There are some active mailing lists that have some kind of relationship to Ronnie James Dio:
Another active Dio discussion arena can be found here: http://www.diomessageboard.com/. Instructions on how to join the board can be found there, too.
Smaller Dio message board, you can access it by clicking here: http://dio.liquidvolt.com/.
You can find a message board for Tracy G, Dio's ex guitarist, at address http://tracyg.proboards12.com.
An active Black Sabbath message group can be found here: http://groups.yahoo.com/group/Black_Sabbath/.
Black Sabbath message board, started in May 2003, can be found here: http://forum.nwps.ws/sabbath/index.php
You can find a message board for Rainbow, titled simply "ritchieblackmoresrainbow" at this address http://groups.yahoo.com/group/ritchieblackmoresrainbow/.
This page is maintained by Tapio Keihänen,
The page has been updated on 09.10.2004
URL: http://www.dio.net/links/mailinglists.html, the front page http://www.dio.net/.