Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/MM4/Gow-CSR4-abc2.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_22560.log 517283 Log file, useful mostly for debugging
Tune-22560-Gow-CSR4-abc2.abc 149 ABC music file with the extracted tune(s)
Tune-22560-Gow-CSR4-abc2.txt 149 Plain-text file with the extracted tune(s)
Tune-22560-get.log 3203 Log file, useful mostly for debugging
These files should be available for 24 hours.