Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Aird/Aird_vol4.abc/abc2" 
<head>
404 Not Found</title>
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Not Found</h1>
The requested URL /~jc/music/book/Aird/Aird_vol4.abc/abc2 was not found on this server.</p>
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[get.cgi V=1/1 B=0 scale=0.55 512x512 ]
filesizedescription
Tune-7636-abc2.abc 151 ABC music file with the extracted tune(s)
Tune-7636-abc2.txt 151 Plain-text file with the extracted tune(s)
Tune-7636-get.log 2694 Log file, useful mostly for debugging
Tune-76365-CJ37-001.svg 80219 Scalable Vector Graphics format
Tune-76365-CJ37.abc 2194 ABC music file with the extracted tune(s)
Tune-76365-CJ37.txt 2194 Plain-text file with the extracted tune(s)
Tune-76365-get.log 3957 Log file, useful mostly for debugging
These files should be available for 24 hours.