pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-13247-Pauls_Perch.ps) >>/Users/jc/w/tmp/Tune-13247-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CuzTeahan/SliabhLuachroOnParade/Pauls_Perch.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Sess-13247.log 4587158 Log file, useful mostly for debugging
Tune-13247-Pauls_Perch.abc 403 ABC music file with the extracted tune(s)
Tune-13247-Pauls_Perch.ps 34062 PostScript
Tune-13247-Pauls_Perch.txt 403 Plain-text file with the extracted tune(s)
Tune-13247-get.log 4613 Log file, useful mostly for debugging
These files should be available for 24 hours.