pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-60767-136098775.ps) >>/Users/jc/w/tmp/Tune-60767-get.log 2>&1" returned status 256
http://endor.seesaa.net/article/136098775.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-60767-136098775.abc 1732 ABC music file with the extracted tune(s)
Tune-60767-136098775.ps 44949 PostScript
Tune-60767-136098775.txt 1732 Plain-text file with the extracted tune(s)
Tune-60767-get.log 18561 Log file, useful mostly for debugging
These files should be available for 24 hours.