pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-44493-10191_Orange_and_Blue.ps) >>/Users/jc/w/tmp/Tune-44493-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ERM/10191_Orange_and_Blue.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_44493.log 440208 Log file, useful mostly for debugging
Tune-44493-10191_Orange_and_Blue.abc 684 ABC music file with the extracted tune(s)
Tune-44493-10191_Orange_and_Blue.ps 36503 PostScript
Tune-44493-10191_Orange_and_Blue.txt 684 Plain-text file with the extracted tune(s)
Tune-44493-get.log 4621 Log file, useful mostly for debugging
These files should be available for 24 hours.