pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-47942-LairdOfMiltonsDaughter1.ps) >>/Users/jc/w/tmp/Tune-47942-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/LairdOfMiltonsDaughter1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-47942-LairdOfMiltonsDaughter1.abc 3084 ABC music file with the extracted tune(s)
Tune-47942-LairdOfMiltonsDaughter1.ps 51233 PostScript
Tune-47942-LairdOfMiltonsDaughter1.txt 3084 Plain-text file with the extracted tune(s)
Tune-47942-get.log 5234 Log file, useful mostly for debugging
These files should be available for 24 hours.