pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1563-4019_.ps) >>/Users/jc/w/tmp/Tune-1563-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CR/4019_.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Form_15630.log 876 Log file, useful mostly for debugging
Form_15637.log 870 Log file, useful mostly for debugging
Form_15639.log 869 Log file, useful mostly for debugging
Tune-1563-4019_.abc 482 ABC music file with the extracted tune(s)
Tune-1563-4019_.ps 31344 PostScript
Tune-1563-4019_.txt 482 Plain-text file with the extracted tune(s)
Tune-1563-get.log 3789 Log file, useful mostly for debugging
Tune-15635-get.log 4056 Log file, useful mostly for debugging
These files should be available for 24 hours.