Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/CDM6/EFDSS_CDM6.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_55913.log 281520 Log file, useful mostly for debugging
Tune-55913-EFDSS_CDM6.abc 147 ABC music file with the extracted tune(s)
Tune-55913-EFDSS_CDM6.txt 147 Plain-text file with the extracted tune(s)
Tune-55913-get.log 3151 Log file, useful mostly for debugging
These files should be available for 24 hours.