pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3632-Tha_Mi_Sgith-Am-32-2.ps) >>/Users/jc/w/tmp/Tune-3632-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/march/Tha_Mi_Sgith-Am-32-2.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_36324.log 284021 Log file, useful mostly for debugging
Form_36321.log 932 Log file, useful mostly for debugging
Form_36328.log 943 Log file, useful mostly for debugging
Tune-3632-Tha_Mi_Sgith-Am-32-2.abc 577 ABC music file with the extracted tune(s)
Tune-3632-Tha_Mi_Sgith-Am-32-2.ps 33480 PostScript
Tune-3632-Tha_Mi_Sgith-Am-32-2.txt 577 Plain-text file with the extracted tune(s)
Tune-3632-get.log 5232 Log file, useful mostly for debugging
Tune-36324-get.log 4275 Log file, useful mostly for debugging
These files should be available for 24 hours.