Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book24/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_50774.log 162317 Log file, useful mostly for debugging
Tune-50774-EFDSS_CDM6.abc 149 ABC music file with the extracted tune(s)
Tune-50774-EFDSS_CDM6.txt 149 Plain-text file with the extracted tune(s)
Tune-50774-get.log 3167 Log file, useful mostly for debugging
These files should be available for 24 hours.