pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6740-SaintPatricksDay_24.ps) >>/Users/jc/w/tmp/Tune-6740-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/jig/SaintPatricksDay_24.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_67401.log 129988 Log file, useful mostly for debugging
Coll_67403.log 275711 Log file, useful mostly for debugging
Coll_67406.log 64184 Log file, useful mostly for debugging
Coll_67408.log 67424 Log file, useful mostly for debugging
Form_67403.log 722 Log file, useful mostly for debugging
Form_67408.log 1509 Log file, useful mostly for debugging
Tune-6740-SaintPatricksDay_24.abc 523 ABC music file with the extracted tune(s)
Tune-6740-SaintPatricksDay_24.ps 34288 PostScript
Tune-6740-SaintPatricksDay_24.txt 523 Plain-text file with the extracted tune(s)
Tune-6740-get.log 4398 Log file, useful mostly for debugging
Tune-67400-get.log 31585 Log file, useful mostly for debugging
Tune-67407-get.log 6983 Log file, useful mostly for debugging
These files should be available for 24 hours.