pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-45137-511_Baron_Stubens_March.ps) >>/Users/jc/w/tmp/Tune-45137-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnTreat/GftF/511_Baron_Stubens_March.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_45137.log 968 Log file, useful mostly for debugging
Tune-45137-511_Baron_Stubens_March.abc 1651 ABC music file with the extracted tune(s)
Tune-45137-511_Baron_Stubens_March.ps 43199 PostScript
Tune-45137-511_Baron_Stubens_March.txt 1651 Plain-text file with the extracted tune(s)
Tune-45137-get.log 4777 Log file, useful mostly for debugging
These files should be available for 24 hours.