pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5829-WalshCD3-1.ps) >>/Users/jc/w/tmp/Tune-5829-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/Walsh/WalshCD3-1(12-4-16).abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Form_5829.log 854 Log file, useful mostly for debugging
Form_58290.log 0 Log file, useful mostly for debugging
Form_58298.log 839 Log file, useful mostly for debugging
Tune-5829-WalshCD3-1.abc 0 ABC music file with the extracted tune(s)
Tune-5829-WalshCD3-1.ps 0 PostScript
Tune-5829-WalshCD3-1.txt 0 Plain-text file with the extracted tune(s)
Tune-5829-get.log 0 Log file, useful mostly for debugging
These files should be available for 24 hours.