pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3855-petron.ps) >>/Users/jc/w/tmp/Tune-3855-get.log 2>&1" returned status 256
http://users.argonet.co.uk/users/gatherer/scottish/abc/petron.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
Form_38550.log 789 Log file, useful mostly for debugging
Form_38554.log 1171 Log file, useful mostly for debugging
Form_38556.log 751 Log file, useful mostly for debugging
Tune-3855-get.log 4337 Log file, useful mostly for debugging
Tune-3855-petron.abc 291 ABC music file with the extracted tune(s)
Tune-3855-petron.ps 35428 PostScript
Tune-3855-petron.txt 291 Plain-text file with the extracted tune(s)
Tune-38550-get.log 3844 Log file, useful mostly for debugging
Tune-38552-get.log 9728 Log file, useful mostly for debugging
Tune-38553-get.log 3029 Log file, useful mostly for debugging
Tune-38555-get.log 10207 Log file, useful mostly for debugging
Tune-38556-get.log 3411 Log file, useful mostly for debugging
These files should be available for 24 hours.