Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1792/_.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_32831.log 284811 Log file, useful mostly for debugging
Tune-3283-_.abc 138 ABC music file with the extracted tune(s)
Tune-3283-_.txt 138 Plain-text file with the extracted tune(s)
Tune-3283-get.log 2985 Log file, useful mostly for debugging
Tune-32832-get.log 4318 Log file, useful mostly for debugging
These files should be available for 24 hours.