Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book15/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
Tune-15765-Gow-CR-abc1.abc 150 ABC music file with the extracted tune(s)
Tune-15765-Gow-CR-abc1.txt 150 Plain-text file with the extracted tune(s)
Tune-15765-William_Clarke_MS_1770.abc 161 ABC music file with the extracted tune(s)
Tune-15765-William_Clarke_MS_1770.ps 6 PostScript
Tune-15765-William_Clarke_MS_1770.txt 161 Plain-text file with the extracted tune(s)
Tune-15765-get.log 7563 Log file, useful mostly for debugging
These files should be available for 24 hours.