pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-99095-polka_dots_and_moonbeams.ps) >>/Users/jc/w/tmp/Tune-99095-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/jazz/polka_dots_and_moonbeams.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-99095-get.log 4805 Log file, useful mostly for debugging
Tune-99095-polka_dots_and_moonbeams.abc 2222 ABC music file with the extracted tune(s)
Tune-99095-polka_dots_and_moonbeams.ps 47791 PostScript
Tune-99095-polka_dots_and_moonbeams.txt 2222 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.