pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1211-ShanDinnaortheSillyOldMan.ps) >>/Users/jc/w/tmp/Tune-1211-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/OFPC/jig/ShanDinnaortheSillyOldMan.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_12114.log 63104 Log file, useful mostly for debugging
Form_12111.log 745 Log file, useful mostly for debugging
Form_12112.log 746 Log file, useful mostly for debugging
Form_12117.log 729 Log file, useful mostly for debugging
Tune-1211-ShanDinnaortheSillyOldMan.abc 576 ABC music file with the extracted tune(s)
Tune-1211-ShanDinnaortheSillyOldMan.ps 40011 PostScript
Tune-1211-ShanDinnaortheSillyOldMan.txt 576 Plain-text file with the extracted tune(s)
Tune-1211-get.log 4559 Log file, useful mostly for debugging
Tune-12110-get.log 7632 Log file, useful mostly for debugging
Tune-12111-get.log 3657 Log file, useful mostly for debugging
Tune-12115-get.log 8398 Log file, useful mostly for debugging
Tune-12117-get.log 1420 Log file, useful mostly for debugging
Tune-12118-get.log 8846 Log file, useful mostly for debugging
Tune-12119-get.log 5501 Log file, useful mostly for debugging
These files should be available for 24 hours.