Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1777/Gow-CR-abc1.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_68724.log 466811 Log file, useful mostly for debugging
Tune-68724-Gow-CR-abc1.abc 148 ABC music file with the extracted tune(s)
Tune-68724-Gow-CR-abc1.txt 148 Plain-text file with the extracted tune(s)
Tune-68724-get.log 3171 Log file, useful mostly for debugging
These files should be available for 24 hours.