pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-31727-14_Bread_and_Cheese.ps) >>/Users/jc/w/tmp/Tune-31727-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/KittyBridges/1745/14_Bread_and_Cheese.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-31727-14_Bread_and_Cheese.abc 925 ABC music file with the extracted tune(s)
Tune-31727-14_Bread_and_Cheese.ps 34432 PostScript
Tune-31727-14_Bread_and_Cheese.txt 925 Plain-text file with the extracted tune(s)
Tune-31727-get.log 4695 Log file, useful mostly for debugging
These files should be available for 24 hours.