Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book07/CDfNH1783.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Tune-6773-CDfNH1783.abc 148 ABC music file with the extracted tune(s)
Tune-6773-CDfNH1783.txt 148 Plain-text file with the extracted tune(s)
Tune-6773-get.log 3139 Log file, useful mostly for debugging
Tune-67731-get.log 5788 Log file, useful mostly for debugging
Tune-67735-HenryFord_GoodMorning.abc 160 ABC music file with the extracted tune(s)
Tune-67735-HenryFord_GoodMorning.pdf 2217 Portable Data Format
Tune-67735-HenryFord_GoodMorning.ps 6 PostScript
Tune-67735-HenryFord_GoodMorning.txt 160 Plain-text file with the extracted tune(s)
Tune-67735-get.log 5211 Log file, useful mostly for debugging
These files should be available for 24 hours.