pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3345-Aird-v4.ps) >>/Users/jc/w/tmp/Tune-3345-get.log 2>&1" returned status 256
http://www.campin.me.uk/Aird/Aird-v4.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
Find_33458.log 1458 Log file, useful mostly for debugging
Tune-3345-Aird-v4.abc 832 ABC music file with the extracted tune(s)
Tune-3345-Aird-v4.ps 37627 PostScript
Tune-3345-Aird-v4.txt 832 Plain-text file with the extracted tune(s)
Tune-3345-get.log 46578 Log file, useful mostly for debugging
Tune-33451-get.log 3678 Log file, useful mostly for debugging
Tune-33459-get.log 3880 Log file, useful mostly for debugging
These files should be available for 24 hours.