pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9618-SuttersOfSelkirk0.ps) >>/Users/jc/w/tmp/Tune-9618-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/SuttersOfSelkirk0.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_9618.log 1510 Log file, useful mostly for debugging
Form_96182.log 935 Log file, useful mostly for debugging
Tune-9618-SuttersOfSelkirk0.abc 818 ABC music file with the extracted tune(s)
Tune-9618-SuttersOfSelkirk0.ps 36284 PostScript
Tune-9618-SuttersOfSelkirk0.txt 818 Plain-text file with the extracted tune(s)
Tune-9618-get.log 4995 Log file, useful mostly for debugging
Tune-96183-get.log 4077 Log file, useful mostly for debugging
Tune-96187-get.log 4149 Log file, useful mostly for debugging
These files should be available for 24 hours.