pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1168-bruceosbornetunes.ps) >>/Users/jc/w/tmp/Tune-1168-get.log 2>&1" returned status 256
http://alfwarnock.info/alfs/abc/bruceosbornetunes.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_1168.log 150067 Log file, useful mostly for debugging
Coll_11681.log 46 Log file, useful mostly for debugging
Coll_11685.log 46 Log file, useful mostly for debugging
Coll_11688.log 127682 Log file, useful mostly for debugging
Form_11682.log 829 Log file, useful mostly for debugging
Form_11683.log 807 Log file, useful mostly for debugging
Tune-1168-bruceosbornetunes.abc 244 ABC music file with the extracted tune(s)
Tune-1168-bruceosbornetunes.ps 34576 PostScript
Tune-1168-bruceosbornetunes.txt 244 Plain-text file with the extracted tune(s)
Tune-1168-get.log 4365 Log file, useful mostly for debugging
Tune-11688-get.log 3225 Log file, useful mostly for debugging
Tune-11689-get.log 2963 Log file, useful mostly for debugging
These files should be available for 24 hours.