pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5909-LuckenboothBrooch4.ps) >>/Users/jc/w/tmp/Tune-5909-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/LuckenboothBrooch4.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_59093.log 281520 Log file, useful mostly for debugging
Coll_59099.log 561635 Log file, useful mostly for debugging
Tune-5909-LuckenboothBrooch4.abc 1810 ABC music file with the extracted tune(s)
Tune-5909-LuckenboothBrooch4.ps 46075 PostScript
Tune-5909-LuckenboothBrooch4.txt 1810 Plain-text file with the extracted tune(s)
Tune-5909-get.log 5046 Log file, useful mostly for debugging
Tune-59092-Nasfora1.abc 726 ABC music file with the extracted tune(s)
Tune-59092-Nasfora1.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-59092-Nasfora1.ps 35886 PostScript
Tune-59092-Nasfora1.txt 726 Plain-text file with the extracted tune(s)
Tune-59092-get.log 5095 Log file, useful mostly for debugging
These files should be available for 24 hours.