pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-33220-Halloween.ps) >>/Users/jc/w/tmp/Tune-33220-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/Halloween.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Coll_33220.log 142202 Log file, useful mostly for debugging
Form_33220.log 828 Log file, useful mostly for debugging
Tune-33220-Halloween.abc 519 ABC music file with the extracted tune(s)
Tune-33220-Halloween.ps 34794 PostScript
Tune-33220-Halloween.txt 519 Plain-text file with the extracted tune(s)
Tune-33220-get.log 4355 Log file, useful mostly for debugging
These files should be available for 24 hours.