pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-43879-Cronins_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-43879-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CuzTeahan/SliabhLuachroOnParade/Cronins_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
Coll_43879.log 455610 Log file, useful mostly for debugging
Form_43879.log 2979 Log file, useful mostly for debugging
Tune-43879-Cronins_Hornpipe.abc 452 ABC music file with the extracted tune(s)
Tune-43879-Cronins_Hornpipe.ps 35441 PostScript
Tune-43879-Cronins_Hornpipe.txt 452 Plain-text file with the extracted tune(s)
Tune-43879-get.log 4755 Log file, useful mostly for debugging
These files should be available for 24 hours.