pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-12426-NomadQuadrilleSetL.ps) >>/Users/jc/w/tmp/Tune-12426-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/NomadQuadrilleSetL.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-12426-NomadQuadrilleSetL.abc 2209 ABC music file with the extracted tune(s)
Tune-12426-NomadQuadrilleSetL.ps 54716 PostScript
Tune-12426-NomadQuadrilleSetL.txt 2209 Plain-text file with the extracted tune(s)
Tune-12426-get.log 5746 Log file, useful mostly for debugging
These files should be available for 24 hours.