Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1785/SkillernChalloner_PCD2.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_36392.log 283411 Log file, useful mostly for debugging
List36395.log 166 Log file, useful mostly for debugging
Tune-3639-SkillernChalloner_PCD2.abc 159 ABC music file with the extracted tune(s)
Tune-3639-SkillernChalloner_PCD2.txt 159 Plain-text file with the extracted tune(s)
Tune-3639-get.log 16872 Log file, useful mostly for debugging
Tune-36390-get.log 8503 Log file, useful mostly for debugging
Tune-36393-get.log 14499 Log file, useful mostly for debugging
Tune-36394-get.log 3532 Log file, useful mostly for debugging
Tune-36396-get.log 13786 Log file, useful mostly for debugging
Tune-36398-get.log 15238 Log file, useful mostly for debugging
Tune-36399-get.log 8626 Log file, useful mostly for debugging
These files should be available for 24 hours.