pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-54130-Humours_of_Marybon.ps) >>/Users/jc/w/tmp/Tune-54130-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CCD/Humours_of_Marybon.abc

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-54130-Humours_of_Marybon.abc 1048 ABC music file with the extracted tune(s)
Tune-54130-Humours_of_Marybon.ps 36336 PostScript
Tune-54130-Humours_of_Marybon.txt 1048 Plain-text file with the extracted tune(s)
Tune-54130-get.log 4960 Log file, useful mostly for debugging
These files should be available for 24 hours.