Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/JamesOswald/CPC/20340_.abc/all"

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 ]
filesizedescription
Form_75029.log 2907 Log file, useful mostly for debugging
Tune-75029-all.abc 158 ABC music file with the extracted tune(s)
Tune-75029-all.txt 158 Plain-text file with the extracted tune(s)
Tune-75029-get.log 3095 Log file, useful mostly for debugging
These files should be available for 24 hours.