pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9343-BelleOfBonAccord1.ps) >>/Users/jc/w/tmp/Tune-9343-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/BelleOfBonAccord1.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_93432.log 890 Log file, useful mostly for debugging
Form_93438.log 864 Log file, useful mostly for debugging
Tune-9343-BelleOfBonAccord1.abc 543 ABC music file with the extracted tune(s)
Tune-9343-BelleOfBonAccord1.ps 36797 PostScript
Tune-9343-BelleOfBonAccord1.txt 543 Plain-text file with the extracted tune(s)
Tune-9343-get.log 4461 Log file, useful mostly for debugging
Tune-93431-get.log 3919 Log file, useful mostly for debugging
Tune-93437-get.log 4972 Log file, useful mostly for debugging
These files should be available for 24 hours.