Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1767/CDfNH1783.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_13571.log 1874047 Log file, useful mostly for debugging
Tune-13571-CDfNH1783.abc 146 ABC music file with the extracted tune(s)
Tune-13571-CDfNH1783.txt 146 Plain-text file with the extracted tune(s)
Tune-13571-get.log 3137 Log file, useful mostly for debugging
These files should be available for 24 hours.