Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/cache/Tune-20721-jig.abc/tmp"

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 ]
filesizedescription
Coll_32600.log 533219 Log file, useful mostly for debugging
Tune-32600-get.log 3085 Log file, useful mostly for debugging
Tune-32600-tmp.abc 156 ABC music file with the extracted tune(s)
Tune-32600-tmp.txt 156 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.