pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-39565-dmwc_ABC.ps) >>/Users/jc/w/tmp/Tune-39565-get.log 2>&1" returned status 256
http://capeirish.com/webabc/working/source.folders/dmwc/dmwc_ABC.txt

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-39565-dmwc_ABC.abc 438 ABC music file with the extracted tune(s)
Tune-39565-dmwc_ABC.ps 38601 PostScript
Tune-39565-dmwc_ABC.txt 438 Plain-text file with the extracted tune(s)
Tune-39565-get.log 4330 Log file, useful mostly for debugging
These files should be available for 24 hours.