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

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_91803.log 281520 Log file, useful mostly for debugging
Coll_91808.log 275900 Log file, useful mostly for debugging
Tune-9180-get.log 3087 Log file, useful mostly for debugging
Tune-9180-proto.abc 148 ABC music file with the extracted tune(s)
Tune-9180-proto.txt 148 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.