Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/air/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-9817-BB50.abc 140 ABC music file with the extracted tune(s)
Tune-9817-BB50.txt 140 Plain-text file with the extracted tune(s)
Tune-9817-get.log 3033 Log file, useful mostly for debugging
Tune-98172-get.log 4121 Log file, useful mostly for debugging
Tune-98173-Kohlers1.abc 145 ABC music file with the extracted tune(s)
Tune-98173-Kohlers1.pdf 2217 Portable Data Format
Tune-98173-Kohlers1.ps 6 PostScript
Tune-98173-Kohlers1.txt 145 Plain-text file with the extracted tune(s)
Tune-98173-MichaelDabney_12Minuets12Dances-1760-V1.abc 177 ABC music file with the extracted tune(s)
Tune-98173-MichaelDabney_12Minuets12Dances-1760-V1.pdf 2217 Portable Data Format
Tune-98173-MichaelDabney_12Minuets12Dances-1760-V1.ps 6 PostScript
Tune-98173-MichaelDabney_12Minuets12Dances-1760-V1.txt 177 Plain-text file with the extracted tune(s)
Tune-98173-get.log 19973 Log file, useful mostly for debugging
Tune-98175-get.log 5835 Log file, useful mostly for debugging
Tune-98179-get.log 4364 Log file, useful mostly for debugging
These files should be available for 24 hours.