pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-74650-Liberty_for_the_Sailors.ps) >>/Users/jc/w/tmp/Tune-74650-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CJSurtees/Liberty_for_the_Sailors.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-74650-Liberty_for_the_Sailors.abc 669 ABC music file with the extracted tune(s)
Tune-74650-Liberty_for_the_Sailors.ps 34078 PostScript
Tune-74650-Liberty_for_the_Sailors.txt 669 Plain-text file with the extracted tune(s)
Tune-74650-get.log 9233 Log file, useful mostly for debugging
These files should be available for 24 hours.