Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1810/JohnTreat_GftF2.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Tune-85754-EliasHowe_MusiciansCompanionP1-1842-V2.abc 175 ABC music file with the extracted tune(s)
Tune-85754-EliasHowe_MusiciansCompanionP1-1842-V2.ps 6 PostScript
Tune-85754-EliasHowe_MusiciansCompanionP1-1842-V2.txt 175 Plain-text file with the extracted tune(s)
Tune-85754-JohnTreat_GftF2.abc 152 ABC music file with the extracted tune(s)
Tune-85754-JohnTreat_GftF2.txt 152 Plain-text file with the extracted tune(s)
Tune-85754-get.log 7947 Log file, useful mostly for debugging
These files should be available for 24 hours.