pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9883-DustyMiller1.ps) >>/Users/jc/w/tmp/Tune-9883-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/DustyMiller1.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-9883-DustyMiller1.abc 1442 ABC music file with the extracted tune(s)
Tune-9883-DustyMiller1.ps 44531 PostScript
Tune-9883-DustyMiller1.txt 1442 Plain-text file with the extracted tune(s)
Tune-9883-HoldenLane-001.svg 42354 Scalable Vector Graphics format
Tune-9883-HoldenLane.abc 1454 ABC music file with the extracted tune(s)
Tune-9883-HoldenLane.txt 1454 Plain-text file with the extracted tune(s)
Tune-9883-get.log 9245 Log file, useful mostly for debugging
These files should be available for 24 hours.