pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-49232-SalmonfieldPoacherR.ps) >>/Users/jc/w/tmp/Tune-49232-get.log 2>&1" returned status 256
http://terrytraub.org/abc/SalmonfieldPoacherR.abc

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_49232.log 844 Log file, useful mostly for debugging
Tune-49232-SalmonfieldPoacherR.abc 603 ABC music file with the extracted tune(s)
Tune-49232-SalmonfieldPoacherR.ps 36462 PostScript
Tune-49232-SalmonfieldPoacherR.txt 603 Plain-text file with the extracted tune(s)
Tune-49232-get.log 5747 Log file, useful mostly for debugging
These files should be available for 24 hours.