pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4256-Captain_OKane-Em-16-3.ps) >>/Users/jc/w/tmp/Tune-4256-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ONeills/air/Captain_OKane-Em-16-3.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-4256-Captain_OKane-Em-16-3.abc 697 ABC music file with the extracted tune(s)
Tune-4256-Captain_OKane-Em-16-3.ps 38171 PostScript
Tune-4256-Captain_OKane-Em-16-3.txt 697 Plain-text file with the extracted tune(s)
Tune-4256-get.log 5413 Log file, useful mostly for debugging
Tune-42561-get.log 4246 Log file, useful mostly for debugging
Tune-42563-get.log 6134 Log file, useful mostly for debugging
Tune-42565-get.log 4368 Log file, useful mostly for debugging
Tune-42569-get.log 5871 Log file, useful mostly for debugging
These files should be available for 24 hours.