Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book40/Gow-CSR-abc2.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Form_56490.log 993 Log file, useful mostly for debugging
Tune-56490-Gow-CSR-abc2.abc 151 ABC music file with the extracted tune(s)
Tune-56490-Gow-CSR-abc2.txt 151 Plain-text file with the extracted tune(s)
Tune-56490-get.log 3203 Log file, useful mostly for debugging
These files should be available for 24 hours.