pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4279-schott.ps) >>/Users/jc/w/tmp/Tune-4279-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/schott.abc.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
Tune-4279-get.log 5804 Log file, useful mostly for debugging
Tune-4279-schott.abc 642 ABC music file with the extracted tune(s)
Tune-4279-schott.ps 39255 PostScript
Tune-4279-schott.txt 642 Plain-text file with the extracted tune(s)
Tune-42793-get.log 3521 Log file, useful mostly for debugging
These files should be available for 24 hours.