pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-12193-Dunstable_Bonnet.ps) >>/Users/jc/w/tmp/Tune-12193-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Thompson/Dunstable_Bonnet.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_12193.log 1415 Log file, useful mostly for debugging
Tune-12193-Dunstable_Bonnet.abc 487 ABC music file with the extracted tune(s)
Tune-12193-Dunstable_Bonnet.ps 33742 PostScript
Tune-12193-Dunstable_Bonnet.txt 487 Plain-text file with the extracted tune(s)
Tune-12193-get.log 4694 Log file, useful mostly for debugging
These files should be available for 24 hours.