pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-53808-DickDarbyTheCobbler.ps) >>/Users/jc/w/tmp/Tune-53808-get.log 2>&1" returned status 256
http://folk-lyrics.co.uk/FolkSongs/DickDarbyTheCobbler

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Tune-53808-DickDarbyTheCobbler.abc 1719 ABC music file with the extracted tune(s)
Tune-53808-DickDarbyTheCobbler.ps 38699 PostScript
Tune-53808-DickDarbyTheCobbler.txt 1719 Plain-text file with the extracted tune(s)
Tune-53808-get.log 4346 Log file, useful mostly for debugging
These files should be available for 24 hours.