pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-29523-Reels.ps) >>/Users/jc/w/tmp/Tune-29523-get.log 2>&1" returned status 256
http://cobb.ece.wisc.edu/irish/Reels.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
Sess-29523.log 2105617 Log file, useful mostly for debugging
Tune-29523-Reels.abc 250 ABC music file with the extracted tune(s)
Tune-29523-Reels.ps 35555 PostScript
Tune-29523-Reels.txt 250 Plain-text file with the extracted tune(s)
Tune-29523-get.log 3994 Log file, useful mostly for debugging
These files should be available for 24 hours.