pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3172-Mitchells_Hornpipe-D-32-2.ps) >>/Users/jc/w/tmp/Tune-3172-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ONeills/hornpipe/Mitchells_Hornpipe-D-32-2.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-3172-Mitchells_Hornpipe-D-32-2.abc 550 ABC music file with the extracted tune(s)
Tune-3172-Mitchells_Hornpipe-D-32-2.ps 36643 PostScript
Tune-3172-Mitchells_Hornpipe-D-32-2.txt 550 Plain-text file with the extracted tune(s)
Tune-3172-get.log 4983 Log file, useful mostly for debugging
Tune-31721-get.log 3816 Log file, useful mostly for debugging
Tune-31722-get.log 9488 Log file, useful mostly for debugging
Tune-31726-get.log 6314 Log file, useful mostly for debugging
These files should be available for 24 hours.