Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1001/_.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_10006.log 680543 Log file, useful mostly for debugging
Tune-10006-_.abc 138 ABC music file with the extracted tune(s)
Tune-10006-_.txt 138 Plain-text file with the extracted tune(s)
Tune-10006-get.log 2987 Log file, useful mostly for debugging
These files should be available for 24 hours.