Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MM4/Gow-CSR3-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-56643-11481-001.svg 69288 Scalable Vector Graphics format
Tune-56643-11481.abc 2424 ABC music file with the extracted tune(s)
Tune-56643-11481.txt 2424 Plain-text file with the extracted tune(s)
Tune-56643-Gow-CSR3-abc1.abc 149 ABC music file with the extracted tune(s)
Tune-56643-Gow-CSR3-abc1.txt 149 Plain-text file with the extracted tune(s)
Tune-56643-get.log 7475 Log file, useful mostly for debugging
These files should be available for 24 hours.