pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9539-MajorIanStewart.ps) >>/Users/jc/w/tmp/Tune-9539-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/MajorIanStewart.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_95396.log 1365350 Log file, useful mostly for debugging
Coll_95399.log 287140 Log file, useful mostly for debugging
Tune-9539-MajorIanStewart.abc 1550 ABC music file with the extracted tune(s)
Tune-9539-MajorIanStewart.ps 45342 PostScript
Tune-9539-MajorIanStewart.txt 1550 Plain-text file with the extracted tune(s)
Tune-9539-get.log 4938 Log file, useful mostly for debugging
Tune-95394-UpThePond1.abc 2269 ABC music file with the extracted tune(s)
Tune-95394-UpThePond1.pdf 48604 Portable Data Format
Tune-95394-UpThePond1.ps 51144 PostScript
Tune-95394-UpThePond1.txt 2269 Plain-text file with the extracted tune(s)
Tune-95394-get.log 4721 Log file, useful mostly for debugging
These files should be available for 24 hours.