Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Rare_Small/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_92200.log 270810 Log file, useful mostly for debugging
Coll_92202.log 272210 Log file, useful mostly for debugging
Coll_92203.log 464009 Log file, useful mostly for debugging
Coll_92208.log 733418 Log file, useful mostly for debugging
Sess-92202.log 12341 Log file, useful mostly for debugging
Tune-9220-CDfNH1783.abc 152 ABC music file with the extracted tune(s)
Tune-9220-CDfNH1783.txt 152 Plain-text file with the extracted tune(s)
Tune-9220-get.log 3159 Log file, useful mostly for debugging
Tune-92204-get.log 5942 Log file, useful mostly for debugging
Tune-92206-get.log 2768 Log file, useful mostly for debugging
Tune-92207-get.log 3925 Log file, useful mostly for debugging
Tune-92209-get.log 4042 Log file, useful mostly for debugging
These files should be available for 24 hours.