pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8992-Handy_Man-Bb-32-3.ps) >>/Users/jc/w/tmp/Tune-8992-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ONeills/hornpipe/Handy_Man-Bb-32-3.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-8992-Handy_Man-Bb-32-3.abc 454 ABC music file with the extracted tune(s)
Tune-8992-Handy_Man-Bb-32-3.ps 36253 PostScript
Tune-8992-Handy_Man-Bb-32-3.txt 454 Plain-text file with the extracted tune(s)
Tune-8992-get.log 4677 Log file, useful mostly for debugging
Tune-89920-get.log 1404 Log file, useful mostly for debugging
Tune-89923-get.log 4004 Log file, useful mostly for debugging
Tune-89927-get.log 4393 Log file, useful mostly for debugging
These files should be available for 24 hours.