pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-89930-751_Robinson_Cruso.ps) >>/Users/jc/w/tmp/Tune-89930-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/DftY/1782/Thompson/751_Robinson_Cruso.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_89930.log 982 Log file, useful mostly for debugging
Tune-89930-751_Robinson_Cruso.abc 1226 ABC music file with the extracted tune(s)
Tune-89930-751_Robinson_Cruso.ps 36595 PostScript
Tune-89930-751_Robinson_Cruso.txt 1226 Plain-text file with the extracted tune(s)
Tune-89930-get.log 4675 Log file, useful mostly for debugging
These files should be available for 24 hours.