pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2154-MM1-V1.ps) >>/Users/jc/w/tmp/Tune-2154-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM1-V1.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_21549.log 0 Log file, useful mostly for debugging
Tune-2154-MM1-V1.abc 798 ABC music file with the extracted tune(s)
Tune-2154-MM1-V1.ps 39204 PostScript
Tune-2154-MM1-V1.txt 798 Plain-text file with the extracted tune(s)
Tune-2154-get.log 14791 Log file, useful mostly for debugging
Tune-21541-get.log 4066 Log file, useful mostly for debugging
Tune-21542-get.log 2849 Log file, useful mostly for debugging
Tune-21543-get.log 8130 Log file, useful mostly for debugging
Tune-21547-get.log 6871 Log file, useful mostly for debugging
Tune-21549-get.log 7041 Log file, useful mostly for debugging
These files should be available for 24 hours.