Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/slide/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
Coll_98690.log 261116 Log file, useful mostly for debugging
Tune-9869-SkillernChalloner_PCD1.abc 160 ABC music file with the extracted tune(s)
Tune-9869-SkillernChalloner_PCD1.txt 160 Plain-text file with the extracted tune(s)
Tune-9869-get.log 17148 Log file, useful mostly for debugging
Tune-98696-get.log 16812 Log file, useful mostly for debugging
Tune-98697-get.log 5443 Log file, useful mostly for debugging
Tune-98699-get.log 4474 Log file, useful mostly for debugging
These files should be available for 24 hours.