pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-95633-wsgm_ABC.ps) >>/Users/jc/w/tmp/Tune-95633-get.log 2>&1" returned status 256
http://capeirish.com/webabc/working/source.folders/wsgm/wsgm_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
Form_95633.log 810 Log file, useful mostly for debugging
Tune-95633-get.log 4478 Log file, useful mostly for debugging
Tune-95633-wsgm_ABC.abc 723 ABC music file with the extracted tune(s)
Tune-95633-wsgm_ABC.ps 44828 PostScript
Tune-95633-wsgm_ABC.txt 723 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.