pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-27739-alfjigs.ps) >>/Users/jc/w/tmp/Tune-27739-get.log 2>&1" returned status 256
http://alfwarnock.info/alfs/abc/alfjigs.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
Coll_27739.log 151882 Log file, useful mostly for debugging
Tune-27739-alfjigs.abc 268 ABC music file with the extracted tune(s)
Tune-27739-alfjigs.ps 34898 PostScript
Tune-27739-alfjigs.txt 268 Plain-text file with the extracted tune(s)
Tune-27739-get.log 17706 Log file, useful mostly for debugging
These files should be available for 24 hours.