pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1438-MM2-V2.ps) >>/Users/jc/w/tmp/Tune-1438-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM2-V2.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_14387.log 941 Log file, useful mostly for debugging
Tune-1438-MM2-V2.abc 598 ABC music file with the extracted tune(s)
Tune-1438-MM2-V2.ps 34063 PostScript
Tune-1438-MM2-V2.txt 598 Plain-text file with the extracted tune(s)
Tune-1438-get.log 86612 Log file, useful mostly for debugging
Tune-14382-get.log 4042 Log file, useful mostly for debugging
Tune-14384-get.log 4101 Log file, useful mostly for debugging
These files should be available for 24 hours.