We are still being hosted by the IIT community access program (see web page for details); however we now have our own domain name! The page you want is at
http://www.napervillechorus.org/german.html.
If you found this link on another site, please let the site know of the new address. You may click on the link to transfer to the page. http://www.napervillechorus.org/german.html.