pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-24944-PrinceRupertsFancy.ps) >>/Users/jc/w/tmp/Tune-24944-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/PrinceRupertsFancy.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_24944.log 292760 Log file, useful mostly for debugging
Tune-24944-PrinceRupertsFancy.abc 2410 ABC music file with the extracted tune(s)
Tune-24944-PrinceRupertsFancy.ps 56797 PostScript
Tune-24944-PrinceRupertsFancy.txt 2410 Plain-text file with the extracted tune(s)
Tune-24944-get.log 5065 Log file, useful mostly for debugging
These files should be available for 24 hours.