Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Sources.html/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-45086-CDfNH1783.abc 154 ABC music file with the extracted tune(s)
Tune-45086-CDfNH1783.txt 154 Plain-text file with the extracted tune(s)
Tune-45086-Mazel.abc 970 ABC music file with the extracted tune(s)
Tune-45086-Mazel.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-45086-Mazel.ps 38411 PostScript
Tune-45086-Mazel.txt 970 Plain-text file with the extracted tune(s)
Tune-45086-get.log 12568 Log file, useful mostly for debugging
These files should be available for 24 hours.