pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-25581-LadyHomesJig.ps) >>/Users/jc/w/tmp/Tune-25581-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/LadyHomesJig.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-25581-LadyHomesJig.abc 1938 ABC music file with the extracted tune(s)
Tune-25581-LadyHomesJig.ps 46221 PostScript
Tune-25581-LadyHomesJig.txt 1938 Plain-text file with the extracted tune(s)
Tune-25581-get.log 4877 Log file, useful mostly for debugging
These files should be available for 24 hours.