pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-28487-Over-the-Waterfall.ps) >>/Users/jc/w/tmp/Tune-28487-get.log 2>&1" returned status 256
http://www.singdanceandplay.net/wp-content/uploads/2010/11/Over-the-Waterfall.txt

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-28487-Over-the-Waterfall.abc 351 ABC music file with the extracted tune(s)
Tune-28487-Over-the-Waterfall.ps 34291 PostScript
Tune-28487-Over-the-Waterfall.txt 351 Plain-text file with the extracted tune(s)
Tune-28487-get.log 5115 Log file, useful mostly for debugging
These files should be available for 24 hours.