pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-55967-Blowzabella.ps) >>/Users/jc/w/tmp/Tune-55967-get.log 2>&1" returned status 256
http://www.montysmaggot.co.uk/files/Blowzabella Euro.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-55967-Blowzabella.abc 308 ABC music file with the extracted tune(s)
Tune-55967-Blowzabella.ps 34395 PostScript
Tune-55967-Blowzabella.txt 308 Plain-text file with the extracted tune(s)
Tune-55967-get.log 40305 Log file, useful mostly for debugging
These files should be available for 24 hours.