pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9791-PaddyOBriens_1.ps) >>/Users/jc/w/tmp/Tune-9791-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Ireland/reel/PaddyOBriens_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
Form_97915.log 856 Log file, useful mostly for debugging
Tune-9791-PaddyOBriens_1.abc 467 ABC music file with the extracted tune(s)
Tune-9791-PaddyOBriens_1.ps 35854 PostScript
Tune-9791-PaddyOBriens_1.txt 467 Plain-text file with the extracted tune(s)
Tune-9791-get.log 4951 Log file, useful mostly for debugging
These files should be available for 24 hours.