pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2118-Grace_OMalley-Gm-16-4.ps) >>/Users/jc/w/tmp/Tune-2118-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ONeills/air/Grace_OMalley-Gm-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
Form_21185.log 831 Log file, useful mostly for debugging
Tune-2118-Grace_OMalley-Gm-16-4.abc 575 ABC music file with the extracted tune(s)
Tune-2118-Grace_OMalley-Gm-16-4.ps 36358 PostScript
Tune-2118-Grace_OMalley-Gm-16-4.txt 575 Plain-text file with the extracted tune(s)
Tune-2118-get.log 10261 Log file, useful mostly for debugging
Tune-21182-get.log 4568 Log file, useful mostly for debugging
Tune-21185-get.log 4239 Log file, useful mostly for debugging
Tune-21186-get.log 3972 Log file, useful mostly for debugging
Tune-21187-get.log 8839 Log file, useful mostly for debugging
Tune-21188-get.log 4463 Log file, useful mostly for debugging
Tune-21189-get.log 1283 Log file, useful mostly for debugging
These files should be available for 24 hours.