Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MCCD/v3tune.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7237-v3tune.ps) >>/Users/jc/w/tmp/Tune-7237-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MCCD/v3tune.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_72378.log 1269 Log file, useful mostly for debugging
Form_7237.log 968 Log file, useful mostly for debugging
Tune-7237-get.log 9687 Log file, useful mostly for debugging
Tune-7237-v3tune.abc 143 ABC music file with the extracted tune(s)
Tune-7237-v3tune.ps 6 PostScript
Tune-7237-v3tune.txt 143 Plain-text file with the extracted tune(s)
Tune-72370-get.log 5670 Log file, useful mostly for debugging
Tune-72375-get.log 10566 Log file, useful mostly for debugging
Tune-72377-get.log 10105 Log file, useful mostly for debugging
Tune-72378-get.log 3624 Log file, useful mostly for debugging
Tune-72379-get.log 1394 Log file, useful mostly for debugging
These files should be available for 24 hours.