pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9422-alfreel.ps) >>/Users/jc/w/tmp/Tune-9422-get.log 2>&1" returned status 256
http://www.alfwarnock.info/alfs/abc/alfreel.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_94222.log 263379 Log file, useful mostly for debugging
Form_9422.log 834 Log file, useful mostly for debugging
Tune-9422-alfreel.abc 0 ABC music file with the extracted tune(s)
Tune-9422-alfreel.ps 0 PostScript
Tune-9422-get.log 287 Log file, useful mostly for debugging
Tune-94223-get.log 3028 Log file, useful mostly for debugging
Tune-94228-get.log 4083 Log file, useful mostly for debugging
Tune-94229-get.log 3326 Log file, useful mostly for debugging
These files should be available for 24 hours.