pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2610-StoorieMiller.ps) >>/Users/jc/w/tmp/Tune-2610-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/StoorieMiller.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_2610.log 139177 Log file, useful mostly for debugging
Coll_26100.log 144622 Log file, useful mostly for debugging
Coll_26105.log 264789 Log file, useful mostly for debugging
Form_26106.log 832 Log file, useful mostly for debugging
Tune-2610-StoorieMiller.abc 1127 ABC music file with the extracted tune(s)
Tune-2610-StoorieMiller.ps 41736 PostScript
Tune-2610-StoorieMiller.txt 1127 Plain-text file with the extracted tune(s)
Tune-2610-get.log 5334 Log file, useful mostly for debugging
Tune-26102-get.log 2924 Log file, useful mostly for debugging
Tune-26106-get.log 6854 Log file, useful mostly for debugging
These files should be available for 24 hours.