pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1106-24CountryDances_1770.ps) >>/Users/jc/w/tmp/Tune-1106-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/24CountryDances_1770.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_11064.log 385490 Log file, useful mostly for debugging
Coll_11069.log 714260 Log file, useful mostly for debugging
Tune-1106-24CountryDances_1770.abc 8264 ABC music file with the extracted tune(s)
Tune-1106-24CountryDances_1770.ps 103885 PostScript
Tune-1106-24CountryDances_1770.txt 8264 Plain-text file with the extracted tune(s)
Tune-1106-get.log 17378 Log file, useful mostly for debugging
Tune-11060-get.log 11269 Log file, useful mostly for debugging
Tune-11061-get.log 4660 Log file, useful mostly for debugging
Tune-11062-get.log 9693 Log file, useful mostly for debugging
Tune-11067-get.log 4390 Log file, useful mostly for debugging
Tune-11069-get.log 4956 Log file, useful mostly for debugging
These files should be available for 24 hours.