pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-71727-PerthMedley.ps) >>/Users/jc/w/tmp/Tune-71727-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/PerthMedley.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_71727.log 100564 Log file, useful mostly for debugging
Tune-71727-PerthMedley.abc 1201 ABC music file with the extracted tune(s)
Tune-71727-PerthMedley.ps 41347 PostScript
Tune-71727-PerthMedley.txt 1201 Plain-text file with the extracted tune(s)
Tune-71727-get.log 4831 Log file, useful mostly for debugging
These files should be available for 24 hours.