pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3013-Windsor-Castle.ps) >>/Users/jc/w/tmp/Tune-3013-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnWalsh/Windsor-Castle.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_30132.log 1511 Log file, useful mostly for debugging
Tune-3013-Windsor-Castle.abc 1152 ABC music file with the extracted tune(s)
Tune-3013-Windsor-Castle.ps 33660 PostScript
Tune-3013-Windsor-Castle.txt 1152 Plain-text file with the extracted tune(s)
Tune-3013-get.log 12615 Log file, useful mostly for debugging
Tune-30132-get.log 5101 Log file, useful mostly for debugging
Tune-30136-get.log 4876 Log file, useful mostly for debugging
Tune-30137-get.log 7161 Log file, useful mostly for debugging
These files should be available for 24 hours.