pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2659-miller.ps) >>/Users/jc/w/tmp/Tune-2659-get.log 2>&1" returned status 256
http://www.village-music-project.org.uk/abc/miller.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-2659-get.log 4224 Log file, useful mostly for debugging
Tune-2659-miller.abc 377 ABC music file with the extracted tune(s)
Tune-2659-miller.ps 34935 PostScript
Tune-2659-miller.txt 377 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.