Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/CNS/BB50.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_36950.log 627811 Log file, useful mostly for debugging
Tune-36950-BB50.abc 140 ABC music file with the extracted tune(s)
Tune-36950-BB50.txt 140 Plain-text file with the extracted tune(s)
Tune-36950-get.log 13223 Log file, useful mostly for debugging
These files should be available for 24 hours.