pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8473-SaintPatricksDay_1.ps) >>/Users/jc/w/tmp/Tune-8473-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/StPatsDay/jig/SaintPatricksDay_1.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
Coll_84738.log 275711 Log file, useful mostly for debugging
Coll_84739.log 402167 Log file, useful mostly for debugging
Form_8473.log 755 Log file, useful mostly for debugging
Form_84733.log 780 Log file, useful mostly for debugging
Form_84738.log 727 Log file, useful mostly for debugging
Form_84739.log 721 Log file, useful mostly for debugging
Tune-8473-SaintPatricksDay_1.abc 0 ABC music file with the extracted tune(s)
Tune-8473-SaintPatricksDay_1.ps 6 PostScript
Tune-8473-SaintPatricksDay_1.txt 0 Plain-text file with the extracted tune(s)
Tune-8473-get.log 8189 Log file, useful mostly for debugging
Tune-84730-957.abc 1742 ABC music file with the extracted tune(s)
Tune-84730-957.txt 1742 Plain-text file with the extracted tune(s)
Tune-84730-get.log 2665 Log file, useful mostly for debugging
Tune-84734-get.log 2900 Log file, useful mostly for debugging
Tune-84736-get.log 3103 Log file, useful mostly for debugging
These files should be available for 24 hours.