pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7508-WindThatShaksThePiggery1.ps) >>/Users/jc/w/tmp/Tune-7508-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/jig/WindThatShaksThePiggery1.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
Coll_75088.log 282581 Log file, useful mostly for debugging
Form_75083.log 814 Log file, useful mostly for debugging
Form_75089.log 844 Log file, useful mostly for debugging
Tune-7508-WindThatShaksThePiggery1.abc 562 ABC music file with the extracted tune(s)
Tune-7508-WindThatShaksThePiggery1.ps 36846 PostScript
Tune-7508-WindThatShaksThePiggery1.txt 562 Plain-text file with the extracted tune(s)
Tune-7508-get.log 9757 Log file, useful mostly for debugging
Tune-75081-get.log 1672 Log file, useful mostly for debugging
Tune-75082-get.log 11538 Log file, useful mostly for debugging
Tune-75084-Quarryman.abc 549 ABC music file with the extracted tune(s)
Tune-75084-Quarryman.malt 4262 Musical Instrument Digital Interface, alternate name for midi format
Tune-75084-Quarryman.mid 4262 Musical Instrument Digital interface, shortened name for midi format
Tune-75084-Quarryman.midi 4262 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-75084-Quarryman.txt 549 Plain-text file with the extracted tune(s)
Tune-75084-get.log 3632 Log file, useful mostly for debugging
Tune-75086-get.log 3917 Log file, useful mostly for debugging
These files should be available for 24 hours.