pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6914-mfc_ABC.ps) >>/Users/jc/w/tmp/Tune-6914-get.log 2>&1" returned status 256
http://www.capeirish.com/webabc/working/source.folders/mfc/mfc_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
Coll_69140.log 263379 Log file, useful mostly for debugging
Find_69143.log 1661 Log file, useful mostly for debugging
Tune-6914-get.log 4375 Log file, useful mostly for debugging
Tune-6914-mfc_ABC.abc 277 ABC music file with the extracted tune(s)
Tune-6914-mfc_ABC.ps 35371 PostScript
Tune-6914-mfc_ABC.txt 277 Plain-text file with the extracted tune(s)
Tune-69142-get.log 1396 Log file, useful mostly for debugging
Tune-69143-get.log 3032 Log file, useful mostly for debugging
Tune-69147-get.log 1692 Log file, useful mostly for debugging
Tune-69148-get.log 3144 Log file, useful mostly for debugging
Tune-69148-north1.abc 179 ABC music file with the extracted tune(s)
Tune-69148-north1.txt 179 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.