pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-96103-tune-288-its-long-way-to-tipperary.ps) >>/Users/jc/w/tmp/Tune-96103-get.log 2>&1" returned status 256
http://lesters-tune-a-day.blogspot.co.uk/2013/06/tune-288-its-long-way-to-tipperary.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
Form_96103.log 758 Log file, useful mostly for debugging
Tune-96103-get.log 4948 Log file, useful mostly for debugging
Tune-96103-tune-288-its-long-way-to-tipperary.abc 228 ABC music file with the extracted tune(s)
Tune-96103-tune-288-its-long-way-to-tipperary.ps 34283 PostScript
Tune-96103-tune-288-its-long-way-to-tipperary.txt 228 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.