Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/dim.abc/proto" 
Server: Apache/2.4.33 (Unix) LibreSSL/2.2.7 PHP/7.1.33
Content-Length: 226
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>404 Not Found</title>
</head><body>
<h1>Not Found</h1>
<p>The requested URL /~jc/music/book/dim.abc/proto was not found on this server.</p>
</body></html>
[P=get.cgi V=1/1 B=0 scale=0.55 512x512 ]
filesizedescription
Tune-12403-get.log 2631 Log file, useful mostly for debugging
Tune-12403-proto.abc 345 ABC music file with the extracted tune(s)
Tune-12403-proto.txt 345 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.