pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3730-Kohlers.ps) >>/Users/jc/w/tmp/Tune-3730-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Kohlers.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_37301.log 140387 Log file, useful mostly for debugging
Tune-3730-Kohlers.abc 952 ABC music file with the extracted tune(s)
Tune-3730-Kohlers.ps 41062 PostScript
Tune-3730-Kohlers.txt 952 Plain-text file with the extracted tune(s)
Tune-3730-get.log 4309 Log file, useful mostly for debugging
Tune-37300-get.log 20001 Log file, useful mostly for debugging
Tune-37301-get.log 2973 Log file, useful mostly for debugging
Tune-37303-get.log 3207 Log file, useful mostly for debugging
Tune-37306-get.log 9421 Log file, useful mostly for debugging
Tune-37307-get.log 8025 Log file, useful mostly for debugging
Tune-37308-get.log 0 Log file, useful mostly for debugging
These files should be available for 24 hours.