pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-36937-tune-239-lord-of-dance.ps) >>/Users/jc/w/tmp/Tune-36937-get.log 2>&1" returned status 256
http://lesters-tune-a-day.blogspot.fr/2013/04/tune-239-lord-of-dance.html

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-36937-get.log 4547 Log file, useful mostly for debugging
Tune-36937-tune-239-lord-of-dance.abc 223 ABC music file with the extracted tune(s)
Tune-36937-tune-239-lord-of-dance.ps 34188 PostScript
Tune-36937-tune-239-lord-of-dance.txt 223 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.