pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-39030-all.ps) >>/Users/jc/w/tmp/Tune-39030-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-39030-all.abc 293 ABC music file with the extracted tune(s)
Tune-39030-all.ps 34784 PostScript
Tune-39030-all.txt 293 Plain-text file with the extracted tune(s)
Tune-39030-get.log 26169 Log file, useful mostly for debugging
These files should be available for 24 hours.