pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-86497-LOVNANCY.ps) >>/Users/jc/w/tmp/Tune-86497-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/LOVNANCY.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_86497.log 805 Log file, useful mostly for debugging
Tune-86497-LOVNANCY.abc 416 ABC music file with the extracted tune(s)
Tune-86497-LOVNANCY.ps 34740 PostScript
Tune-86497-LOVNANCY.txt 416 Plain-text file with the extracted tune(s)
Tune-86497-get.log 4476 Log file, useful mostly for debugging
These files should be available for 24 hours.