pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9968-jigs.ps) >>/Users/jc/w/tmp/Tune-9968-get.log 2>&1" returned status 256
http://abc.sourceforge.net/NMD/nmd/jigs.txt

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_99685.log 140992 Log file, useful mostly for debugging
Form_99680.log 885 Log file, useful mostly for debugging
Form_99688.log 831 Log file, useful mostly for debugging
List99683.log 90 Log file, useful mostly for debugging
Tune-9968-get.log 4054 Log file, useful mostly for debugging
Tune-9968-jigs.abc 506 ABC music file with the extracted tune(s)
Tune-9968-jigs.ps 39021 PostScript
Tune-9968-jigs.txt 506 Plain-text file with the extracted tune(s)
Tune-99681-get.log 3172 Log file, useful mostly for debugging
Tune-99683-get.log 3914 Log file, useful mostly for debugging
Tune-99689-Rose_in_the_Heather-D-32-2.abc 602 ABC music file with the extracted tune(s)
Tune-99689-Rose_in_the_Heather-D-32-2.txt 602 Plain-text file with the extracted tune(s)
Tune-99689-get.log 3378 Log file, useful mostly for debugging
These files should be available for 24 hours.