pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-34813-tune-161-wells-waltz.ps) >>/Users/jc/w/tmp/Tune-34813-get.log 2>&1" returned status 256
http://lesters-tune-a-day.blogspot.co.uk/2013/02/tune-161-wells-waltz.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
Coll_34813.log 143412 Log file, useful mostly for debugging
Tune-34813-get.log 4585 Log file, useful mostly for debugging
Tune-34813-tune-161-wells-waltz.abc 222 ABC music file with the extracted tune(s)
Tune-34813-tune-161-wells-waltz.ps 34006 PostScript
Tune-34813-tune-161-wells-waltz.txt 222 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.