pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7853-8188_Jacky_Wagtail.ps) >>/Users/jc/w/tmp/Tune-7853-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnJohnson/8188_Jacky_Wagtail.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_78536.log 264661 Log file, useful mostly for debugging
Form_78530.log 871 Log file, useful mostly for debugging
Form_78533.log 958 Log file, useful mostly for debugging
Tune-7853-8188_Jacky_Wagtail.abc 385 ABC music file with the extracted tune(s)
Tune-7853-8188_Jacky_Wagtail.ps 34256 PostScript
Tune-7853-8188_Jacky_Wagtail.txt 385 Plain-text file with the extracted tune(s)
Tune-7853-get.log 4662 Log file, useful mostly for debugging
Tune-78531-get.log 3505 Log file, useful mostly for debugging
Tune-78534-get.log 5500 Log file, useful mostly for debugging
Tune-78535-get.log 17667 Log file, useful mostly for debugging
Tune-78539-get.log 3528 Log file, useful mostly for debugging
These files should be available for 24 hours.