pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9029-WoodAndMarriedAndA.ps) >>/Users/jc/w/tmp/Tune-9029-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/WoodAndMarriedAndA.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_9029.log 267609 Log file, useful mostly for debugging
Coll_90291.log 142202 Log file, useful mostly for debugging
Coll_90296.log 131312 Log file, useful mostly for debugging
Form_90291.log 1771 Log file, useful mostly for debugging
Form_90292.log 806 Log file, useful mostly for debugging
Tune-9029-WoodAndMarriedAndA.abc 2087 ABC music file with the extracted tune(s)
Tune-9029-WoodAndMarriedAndA.ps 45530 PostScript
Tune-9029-WoodAndMarriedAndA.txt 2087 Plain-text file with the extracted tune(s)
Tune-9029-get.log 4944 Log file, useful mostly for debugging
Tune-90295-get.log 4052 Log file, useful mostly for debugging
Tune-90297-get.log 5308 Log file, useful mostly for debugging
These files should be available for 24 hours.