pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6429-MM3-V1.ps) >>/Users/jc/w/tmp/Tune-6429-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/MM3-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
Tune-6429-MM3-V1.abc 336 ABC music file with the extracted tune(s)
Tune-6429-MM3-V1.ps 34220 PostScript
Tune-6429-MM3-V1.txt 336 Plain-text file with the extracted tune(s)
Tune-6429-get.log 4163 Log file, useful mostly for debugging
Tune-64290-get.log 4094 Log file, useful mostly for debugging
Tune-64295-get.log 3106 Log file, useful mostly for debugging
Tune-64296-get.log 1787 Log file, useful mostly for debugging
Tune-64298-get.log 4015 Log file, useful mostly for debugging
These files should be available for 24 hours.