pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9777-782_Noon_Herald.ps) >>/Users/jc/w/tmp/Tune-9777-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1782/Thompson/782_Noon_Herald.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_9777.log 575685 Log file, useful mostly for debugging
Coll_97771.log 558825 Log file, useful mostly for debugging
Tune-9777-782_Noon_Herald.abc 791 ABC music file with the extracted tune(s)
Tune-9777-782_Noon_Herald.ps 34120 PostScript
Tune-9777-782_Noon_Herald.txt 791 Plain-text file with the extracted tune(s)
Tune-9777-get.log 4587 Log file, useful mostly for debugging
Tune-97776-get.log 3936 Log file, useful mostly for debugging
These files should be available for 24 hours.