pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2585-10302_BLUE_BONNETS.ps) >>/Users/jc/w/tmp/Tune-2585-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/10302_BLUE_BONNETS.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_2585.log 264661 Log file, useful mostly for debugging
Coll_25857.log 263256 Log file, useful mostly for debugging
Coll_25859.log 264661 Log file, useful mostly for debugging
Form_25852.log 844 Log file, useful mostly for debugging
Form_25858.log 1798 Log file, useful mostly for debugging
Tune-2585-10302_BLUE_BONNETS.abc 546 ABC music file with the extracted tune(s)
Tune-2585-10302_BLUE_BONNETS.ps 35653 PostScript
Tune-2585-10302_BLUE_BONNETS.txt 546 Plain-text file with the extracted tune(s)
Tune-2585-get.log 4700 Log file, useful mostly for debugging
Tune-25851-get.log 3959 Log file, useful mostly for debugging
Tune-25853-get.log 4848 Log file, useful mostly for debugging
Tune-25857-get.log 8005 Log file, useful mostly for debugging
Tune-25858-get.log 5799 Log file, useful mostly for debugging
These files should be available for 24 hours.