pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-76690-Donnellys_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-76690-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CuzTeahan/SliabhLuachroOnParade/Donnellys_Hornpipe.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Form_76690.log 978 Log file, useful mostly for debugging
Tune-76690-Donnellys_Hornpipe.abc 484 ABC music file with the extracted tune(s)
Tune-76690-Donnellys_Hornpipe.ps 35977 PostScript
Tune-76690-Donnellys_Hornpipe.txt 484 Plain-text file with the extracted tune(s)
Tune-76690-get.log 4981 Log file, useful mostly for debugging
These files should be available for 24 hours.