pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-87340-Pattys_Delight.ps) >>/Users/jc/w/tmp/Tune-87340-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JohnWalsh/Pattys_Delight.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_87340.log 459808 Log file, useful mostly for debugging
Tune-87340-Pattys_Delight.abc 1597 ABC music file with the extracted tune(s)
Tune-87340-Pattys_Delight.ps 38208 PostScript
Tune-87340-Pattys_Delight.txt 1597 Plain-text file with the extracted tune(s)
Tune-87340-get.log 9917 Log file, useful mostly for debugging
These files should be available for 24 hours.