pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-12772-Hornpipe.ps) >>/Users/jc/w/tmp/Tune-12772-get.log 2>&1" returned status 256
http://cobb.ece.wisc.edu/irish/Hornpipe.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
Tune-12772-Hornpipe.abc 224 ABC music file with the extracted tune(s)
Tune-12772-Hornpipe.ps 34167 PostScript
Tune-12772-Hornpipe.txt 224 Plain-text file with the extracted tune(s)
Tune-12772-get.log 4015 Log file, useful mostly for debugging
These files should be available for 24 hours.