Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/slide/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-1939-CDfNH1783.abc 147 ABC music file with the extracted tune(s)
Tune-1939-CDfNH1783.txt 147 Plain-text file with the extracted tune(s)
Tune-1939-get.log 3133 Log file, useful mostly for debugging
Tune-19391-24CountryDances_1809_Cahusac.abc 165 ABC music file with the extracted tune(s)
Tune-19391-24CountryDances_1809_Cahusac.txt 165 Plain-text file with the extracted tune(s)
Tune-19391-get.log 3508 Log file, useful mostly for debugging
Tune-19395-WilliamCampbell_10thBook_1798-V2.abc 169 ABC music file with the extracted tune(s)
Tune-19395-WilliamCampbell_10thBook_1798-V2.pdf 2217 Portable Data Format
Tune-19395-WilliamCampbell_10thBook_1798-V2.ps 6 PostScript
Tune-19395-WilliamCampbell_10thBook_1798-V2.txt 169 Plain-text file with the extracted tune(s)
Tune-19395-get.log 5520 Log file, useful mostly for debugging
Tune-19399-get.log 4749 Log file, useful mostly for debugging
These files should be available for 24 hours.