Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book30/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-52429-BB50.abc 143 ABC music file with the extracted tune(s)
Tune-52429-BB50.txt 143 Plain-text file with the extracted tune(s)
Tune-52429-get.log 3055 Log file, useful mostly for debugging
These files should be available for 24 hours.