Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/DftY/Thompson.abc/1778"

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 ]
filesizedescription
Tune-8949-1778.abc 150 ABC music file with the extracted tune(s)
Tune-8949-1778.txt 150 Plain-text file with the extracted tune(s)
Tune-8949-get.log 3045 Log file, useful mostly for debugging
Tune-89492-025_Irish_Lilt.abc 845 ABC music file with the extracted tune(s)
Tune-89492-025_Irish_Lilt.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-89492-025_Irish_Lilt.ps 36387 PostScript
Tune-89492-025_Irish_Lilt.txt 845 Plain-text file with the extracted tune(s)
Tune-89492-get.log 5326 Log file, useful mostly for debugging
These files should be available for 24 hours.