Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/polka/BB50.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Tune-8527-BB50.abc 142 ABC music file with the extracted tune(s)
Tune-8527-BB50.txt 142 Plain-text file with the extracted tune(s)
Tune-8527-get.log 3043 Log file, useful mostly for debugging
Tune-85270-get.log 8258 Log file, useful mostly for debugging
Tune-85271-get.log 4658 Log file, useful mostly for debugging
Tune-85275-get.log 4196 Log file, useful mostly for debugging
Tune-85276-get.log 5723 Log file, useful mostly for debugging
These files should be available for 24 hours.