X:420 not found in http://lesters-tune-a-day.blogspot.com/2015/06/
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-53466-06.ps) >>/Users/jc/w/tmp/Tune-53466-get.log 2>&1" returned status 256
http://lesters-tune-a-day.blogspot.com/2015/06/

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_53466.log 134337 Log file, useful mostly for debugging
Tune-53466-06.abc 0 ABC music file with the extracted tune(s)
Tune-53466-06.ps 0 PostScript
Tune-53466-06.txt 0 Plain-text file with the extracted tune(s)
Tune-53466-get.log 0 Log file, useful mostly for debugging
These files should be available for 24 hours.