pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-89853-roche.ps) >>/Users/jc/w/tmp/Tune-89853-get.log 2>&1" returned status 256
http://capeirish.com/webabc/working/source.folders/roche/roche.1/roche.1_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-89853-get.log 4477 Log file, useful mostly for debugging
Tune-89853-roche.abc 359 ABC music file with the extracted tune(s)
Tune-89853-roche.ps 35938 PostScript
Tune-89853-roche.txt 359 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.