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

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Find_87955.log 1431 Log file, useful mostly for debugging
Tune-87955-BB50.abc 151 ABC music file with the extracted tune(s)
Tune-87955-BB50.txt 151 Plain-text file with the extracted tune(s)
Tune-87955-get.log 3107 Log file, useful mostly for debugging
These files should be available for 24 hours.