Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1758/MSRPB.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_47313.log 347811 Log file, useful mostly for debugging
Coll_47318.log 416412 Log file, useful mostly for debugging
Tune-4731-MSRPB.abc 142 ABC music file with the extracted tune(s)
Tune-4731-MSRPB.txt 142 Plain-text file with the extracted tune(s)
Tune-4731-get.log 11883 Log file, useful mostly for debugging
Tune-47310-get.log 4303 Log file, useful mostly for debugging
Tune-47311-get.log 4195 Log file, useful mostly for debugging
Tune-47312-get.log 4660 Log file, useful mostly for debugging
Tune-47315-get.log 11220 Log file, useful mostly for debugging
Tune-47316-get.log 3654 Log file, useful mostly for debugging
Tune-47317-get.log 7882 Log file, useful mostly for debugging
Tune-47318-get.log 3654 Log file, useful mostly for debugging
These files should be available for 24 hours.