I tried the Camsco Music link and got this message:

501 Not Implemented
Cannot do POST is supported via CGI/API programs only. with this URL /cgi-shl/webfind.exe.
Most likely, this was an attempt to execute a CGI program located in an area not configured to hold executable CGI programs. Please contact the server administrator at max@mudcat.org to correct the problem. Please save this error message.