pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-73478-all.ps) >>/Users/jc/w/tmp/Tune-73478-get.log 2>&1" returned status 256
http://www.andyhornby.net/Music/all scandi.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-73478-all.abc 313 ABC music file with the extracted tune(s)
Tune-73478-all.ps 33812 PostScript
Tune-73478-all.txt 313 Plain-text file with the extracted tune(s)
Tune-73478-get.log 26215 Log file, useful mostly for debugging
These files should be available for 24 hours.