pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3163-Twilight_Star-G-32-2.ps) >>/Users/jc/w/tmp/Tune-3163-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ONeills/hornpipe/Twilight_Star-G-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-3163-Twilight_Star-G-32-2.abc 366 ABC music file with the extracted tune(s)
Tune-3163-Twilight_Star-G-32-2.ps 34267 PostScript
Tune-3163-Twilight_Star-G-32-2.txt 366 Plain-text file with the extracted tune(s)
Tune-3163-get.log 4746 Log file, useful mostly for debugging
Tune-31631-get.log 11435 Log file, useful mostly for debugging
Tune-31636-get.log 4383 Log file, useful mostly for debugging
Tune-31638-get.log 4776 Log file, useful mostly for debugging
These files should be available for 24 hours.