pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9931-BonnieKitty.ps) >>/Users/jc/w/tmp/Tune-9931-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/BonnieKitty.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_99317.log 275900 Log file, useful mostly for debugging
Coll_99319.log 288545 Log file, useful mostly for debugging
Tune-9931-BonnieKitty.abc 3147 ABC music file with the extracted tune(s)
Tune-9931-BonnieKitty.ps 52764 PostScript
Tune-9931-BonnieKitty.txt 3147 Plain-text file with the extracted tune(s)
Tune-9931-get.log 4870 Log file, useful mostly for debugging
Tune-99312-get.log 4535 Log file, useful mostly for debugging
These files should be available for 24 hours.