pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-42696-tune-415-prince-williams-march.ps) >>/Users/jc/w/tmp/Tune-42696-get.log 2>&1" returned status 256
http://lesters-tune-a-day.blogspot.com/2015/05/tune-415-prince-williams-march.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
Find_42696.log 1679 Log file, useful mostly for debugging
Tune-42696-get.log 4896 Log file, useful mostly for debugging
Tune-42696-tune-415-prince-williams-march.abc 205 ABC music file with the extracted tune(s)
Tune-42696-tune-415-prince-williams-march.ps 33540 PostScript
Tune-42696-tune-415-prince-williams-march.txt 205 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.