pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4061-SilverTassie8x.ps) >>/Users/jc/w/tmp/Tune-4061-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/SilverTassie8x.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
Coll_40612.log 152487 Log file, useful mostly for debugging
Coll_40613.log 12133 Log file, useful mostly for debugging
Find_40611.log 3260 Log file, useful mostly for debugging
Form_40611.log 0 Log file, useful mostly for debugging
Form_40617.log 1705 Log file, useful mostly for debugging
Tune-4061-SilverTassie8x.abc 693 ABC music file with the extracted tune(s)
Tune-4061-SilverTassie8x.ps 37529 PostScript
Tune-4061-SilverTassie8x.txt 693 Plain-text file with the extracted tune(s)
Tune-4061-get.log 4597 Log file, useful mostly for debugging
Tune-40614-get.log 2937 Log file, useful mostly for debugging
Tune-40618-get.log 3591 Log file, useful mostly for debugging
These files should be available for 24 hours.