pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8743-MairiAllen.ps) >>/Users/jc/w/tmp/Tune-8743-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/MairiAllen.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-8743-MairiAllen.abc 1669 ABC music file with the extracted tune(s)
Tune-8743-MairiAllen.ps 45970 PostScript
Tune-8743-MairiAllen.txt 1669 Plain-text file with the extracted tune(s)
Tune-8743-get.log 4798 Log file, useful mostly for debugging
Tune-87432-Seashells.abc 2098 ABC music file with the extracted tune(s)
Tune-87432-Seashells.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-87432-Seashells.ps 50907 PostScript
Tune-87432-Seashells.txt 2098 Plain-text file with the extracted tune(s)
Tune-87432-get.log 5572 Log file, useful mostly for debugging
These files should be available for 24 hours.