pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6018-March_Of_Saint_Timothy_R.ps) >>/Users/jc/w/tmp/Tune-6018-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/tastysoftware.com/abc/March_Of_Saint_Timothy_R.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_6018.log 147647 Log file, useful mostly for debugging
Form_60183.log 822 Log file, useful mostly for debugging
Tune-6018-March_Of_Saint_Timothy_R.abc 319 ABC music file with the extracted tune(s)
Tune-6018-March_Of_Saint_Timothy_R.ps 35609 PostScript
Tune-6018-March_Of_Saint_Timothy_R.txt 319 Plain-text file with the extracted tune(s)
Tune-6018-get.log 4728 Log file, useful mostly for debugging
Tune-60184-get.log 3500 Log file, useful mostly for debugging
Tune-60185-get.log 5148 Log file, useful mostly for debugging
Tune-60187-get.log 4361 Log file, useful mostly for debugging
Tune-60189-get.log 4090 Log file, useful mostly for debugging
These files should be available for 24 hours.