pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-74350-Sean_ODriscolls_Visit_to_Cuz.ps) >>/Users/jc/w/tmp/Tune-74350-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CuzTeahan/SliabhLuachroOnParade/Sean_ODriscolls_Visit_to_Cuz.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Form_74350.log 854 Log file, useful mostly for debugging
Tune-74350-Sean_ODriscolls_Visit_to_Cuz.abc 313 ABC music file with the extracted tune(s)
Tune-74350-Sean_ODriscolls_Visit_to_Cuz.ps 34620 PostScript
Tune-74350-Sean_ODriscolls_Visit_to_Cuz.txt 313 Plain-text file with the extracted tune(s)
Tune-74350-get.log 4972 Log file, useful mostly for debugging
These files should be available for 24 hours.