pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-40070-captain_okane_emin.ps) >>/Users/jc/w/tmp/Tune-40070-get.log 2>&1" returned status 256
http://www.piper-frank.de/tunebook/trad/abc/captain_okane_emin.txt

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Tune-40070-captain_okane_emin.abc 3491 ABC music file with the extracted tune(s)
Tune-40070-captain_okane_emin.ps 42644 PostScript
Tune-40070-captain_okane_emin.txt 3491 Plain-text file with the extracted tune(s)
Tune-40070-get.log 5780 Log file, useful mostly for debugging
These files should be available for 24 hours.