Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1778/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_10516.log 153867 Log file, useful mostly for debugging
Tune-1051-SkillernChalloner_PCD2.abc 159 ABC music file with the extracted tune(s)
Tune-1051-SkillernChalloner_PCD2.txt 159 Plain-text file with the extracted tune(s)
Tune-1051-get.log 3361 Log file, useful mostly for debugging
Tune-10510-get.log 4594 Log file, useful mostly for debugging
Tune-10512-get.log 3386 Log file, useful mostly for debugging
Tune-10513-get.log 8972 Log file, useful mostly for debugging
Tune-10514-get.log 9270 Log file, useful mostly for debugging
Tune-10515-get.log 7631 Log file, useful mostly for debugging
Tune-10517-get.log 5194 Log file, useful mostly for debugging
Tune-10518-get.log 4606 Log file, useful mostly for debugging
Tune-10519-get.log 5534 Log file, useful mostly for debugging
These files should be available for 24 hours.