pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-71127-201206-1.ps) >>/Users/jc/w/tmp/Tune-71127-get.log 2>&1" returned status 256
http://dolory.seesaa.net/archives/201206-1.html

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-71127-201206-1.abc 245 ABC music file with the extracted tune(s)
Tune-71127-201206-1.ps 31138 PostScript
Tune-71127-201206-1.txt 245 Plain-text file with the extracted tune(s)
Tune-71127-get.log 4163 Log file, useful mostly for debugging
These files should be available for 24 hours.