pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-50039-RandyWifeOfGreenlawReel.ps) >>/Users/jc/w/tmp/Tune-50039-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ryan-cole/Tunes/RandyWifeOfGreenlawReel.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-50039-RandyWifeOfGreenlawReel.abc 569 ABC music file with the extracted tune(s)
Tune-50039-RandyWifeOfGreenlawReel.ps 36688 PostScript
Tune-50039-RandyWifeOfGreenlawReel.txt 569 Plain-text file with the extracted tune(s)
Tune-50039-get.log 4855 Log file, useful mostly for debugging
These files should be available for 24 hours.