Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1766/band8.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Form_99031.log 803 Log file, useful mostly for debugging
Tune-9903-band8.abc 142 ABC music file with the extracted tune(s)
Tune-9903-band8.txt 142 Plain-text file with the extracted tune(s)
Tune-9903-get.log 3053 Log file, useful mostly for debugging
Tune-99031-CarolinesPolka_D.abc 1038 ABC music file with the extracted tune(s)
Tune-99031-CarolinesPolka_D.ps 40168 PostScript
Tune-99031-CarolinesPolka_D.txt 1038 Plain-text file with the extracted tune(s)
Tune-99031-get.log 4754 Log file, useful mostly for debugging
Tune-99037-get.log 7686 Log file, useful mostly for debugging
Tune-99039-get.log 10707 Log file, useful mostly for debugging
These files should be available for 24 hours.