Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1809/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-9613-BB50.abc 141 ABC music file with the extracted tune(s)
Tune-9613-BB50.txt 141 Plain-text file with the extracted tune(s)
Tune-9613-PoolsHole.abc 344 ABC music file with the extracted tune(s)
Tune-9613-PoolsHole.pdf 14051 Portable Data Format
Tune-9613-PoolsHole.ps 33548 PostScript
Tune-9613-PoolsHole.txt 344 Plain-text file with the extracted tune(s)
Tune-9613-get.log 8209 Log file, useful mostly for debugging
Tune-96130-DanielWright_CCCCD.abc 155 ABC music file with the extracted tune(s)
Tune-96130-DanielWright_CCCCD.txt 155 Plain-text file with the extracted tune(s)
Tune-96130-get.log 3326 Log file, useful mostly for debugging
Tune-96131-get.log 5134 Log file, useful mostly for debugging
Tune-96139-get.log 5185 Log file, useful mostly for debugging
These files should be available for 24 hours.