pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-20869-Old_Joker.ps) >>/Users/jc/w/tmp/Tune-20869-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CuzTeahan/SliabhLuachroOnParade/Old_Joker.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-20869-Old_Joker.abc 468 ABC music file with the extracted tune(s)
Tune-20869-Old_Joker.ps 35743 PostScript
Tune-20869-Old_Joker.txt 468 Plain-text file with the extracted tune(s)
Tune-20869-get.log 4567 Log file, useful mostly for debugging
These files should be available for 24 hours.