pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-33355-barn_w.ps) >>/Users/jc/w/tmp/Tune-33355-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/scand/barn_w.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_33355.log 938 Log file, useful mostly for debugging
Tune-33355-barn_w.abc 8570 ABC music file with the extracted tune(s)
Tune-33355-barn_w.ps 101350 PostScript
Tune-33355-barn_w.txt 8570 Plain-text file with the extracted tune(s)
Tune-33355-get.log 15005 Log file, useful mostly for debugging
These files should be available for 24 hours.