Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1778/SkillernChalloner_PCD1.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
List59365.log 166 Log file, useful mostly for debugging
Tune-5936-SkillernChalloner_PCD1.abc 159 ABC music file with the extracted tune(s)
Tune-5936-SkillernChalloner_PCD1.txt 159 Plain-text file with the extracted tune(s)
Tune-5936-get.log 3361 Log file, useful mostly for debugging
Tune-59360-get.log 4444 Log file, useful mostly for debugging
Tune-59361-get.log 3676 Log file, useful mostly for debugging
Tune-59362-get.log 4169 Log file, useful mostly for debugging
Tune-59365-get.log 10906 Log file, useful mostly for debugging
Tune-59368-get.log 4373 Log file, useful mostly for debugging
Tune-59369-get.log 3164 Log file, useful mostly for debugging
These files should be available for 24 hours.