pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9633-Yellow_Garron-A-16-4.ps) >>/Users/jc/w/tmp/Tune-9633-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ONeills/march/Yellow_Garron-A-16-4.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_96331.log 1008501 Log file, useful mostly for debugging
Tune-9633-Yellow_Garron-A-16-4.abc 516 ABC music file with the extracted tune(s)
Tune-9633-Yellow_Garron-A-16-4.ps 34429 PostScript
Tune-9633-Yellow_Garron-A-16-4.txt 516 Plain-text file with the extracted tune(s)
Tune-9633-get.log 4710 Log file, useful mostly for debugging
Tune-96331-get.log 4381 Log file, useful mostly for debugging
Tune-96332-Johnny_Cope-A-32-4.abc 481 ABC music file with the extracted tune(s)
Tune-96332-Johnny_Cope-A-32-4.pdf 16291 Portable Data Format
Tune-96332-Johnny_Cope-A-32-4.ps 34867 PostScript
Tune-96332-Johnny_Cope-A-32-4.txt 481 Plain-text file with the extracted tune(s)
Tune-96332-get.log 9101 Log file, useful mostly for debugging
Tune-96338-get.log 4513 Log file, useful mostly for debugging
These files should be available for 24 hours.