Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Entry/CDSS_Gems.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Tune-4521-CDSS_Gems.abc 147 ABC music file with the extracted tune(s)
Tune-4521-CDSS_Gems.txt 147 Plain-text file with the extracted tune(s)
Tune-4521-get.log 11997 Log file, useful mostly for debugging
Tune-45213-get.log 1380 Log file, useful mostly for debugging
Tune-45216-get.log 1422 Log file, useful mostly for debugging
Tune-45217-get.log 1380 Log file, useful mostly for debugging
These files should be available for 24 hours.