pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3389-abcproj.ps) >>/Users/jc/w/tmp/Tune-3389-get.log 2>&1" returned status 256
http://fiddletech.com/music/abcproj.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_3389.log 147042 Log file, useful mostly for debugging
Find_3389.log 1480 Log file, useful mostly for debugging
Tune-3389-abcproj.abc 217 ABC music file with the extracted tune(s)
Tune-3389-abcproj.ps 34256 PostScript
Tune-3389-abcproj.txt 217 Plain-text file with the extracted tune(s)
Tune-3389-get.log 4153 Log file, useful mostly for debugging
Tune-33899-get.log 3030 Log file, useful mostly for debugging
These files should be available for 24 hours.