pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-86629-tunebook.ps) >>/Users/jc/w/tmp/Tune-86629-get.log 2>&1" returned status 256
http://richardrobinson.tunebook.org.uk/static/tunebook.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-86629-get.log 4170 Log file, useful mostly for debugging
Tune-86629-tunebook.abc 284 ABC music file with the extracted tune(s)
Tune-86629-tunebook.ps 34049 PostScript
Tune-86629-tunebook.txt 284 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.