Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/CCCCD2/cont.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Tune-92917-EliasHowe_MusiciansCompanionP1-1842-V1.abc 180 ABC music file with the extracted tune(s)
Tune-92917-EliasHowe_MusiciansCompanionP1-1842-V1.ps 6 PostScript
Tune-92917-EliasHowe_MusiciansCompanionP1-1842-V1.txt 180 Plain-text file with the extracted tune(s)
Tune-92917-cont.abc 143 ABC music file with the extracted tune(s)
Tune-92917-cont.txt 143 Plain-text file with the extracted tune(s)
Tune-92917-get.log 7787 Log file, useful mostly for debugging
These files should be available for 24 hours.