pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-52329-20952_My_Own_Dear_Somebody.ps) >>/Users/jc/w/tmp/Tune-52329-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ERM/20952_My_Own_Dear_Somebody.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_52329.log 994 Log file, useful mostly for debugging
Tune-52329-20952_My_Own_Dear_Somebody.abc 544 ABC music file with the extracted tune(s)
Tune-52329-20952_My_Own_Dear_Somebody.ps 33897 PostScript
Tune-52329-20952_My_Own_Dear_Somebody.txt 544 Plain-text file with the extracted tune(s)
Tune-52329-get.log 4752 Log file, useful mostly for debugging
These files should be available for 24 hours.