Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/DftY/Skillern.abc/1780"

Error exit status 256; here are some files to check:

[get.cgi V=1/1 B=0 scale=0.55 512x512 ]
filesizedescription
Tune-13585-1780.abc 150 ABC music file with the extracted tune(s)
Tune-13585-1780.txt 150 Plain-text file with the extracted tune(s)
Tune-13585-get.log 3057 Log file, useful mostly for debugging
These files should be available for 24 hours.