pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-71003-BeatonFamily.ps) >>/Users/jc/w/tmp/Tune-71003-get.log 2>&1" returned status 256
http://cranfordpub.com/tunes/abcs/BeatonFamily.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
Tune-71003-BeatonFamily.abc 694 ABC music file with the extracted tune(s)
Tune-71003-BeatonFamily.ps 40605 PostScript
Tune-71003-BeatonFamily.txt 694 Plain-text file with the extracted tune(s)
Tune-71003-get.log 7376 Log file, useful mostly for debugging
These files should be available for 24 hours.