pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4351-24CountryDances_1812_JGray.ps) >>/Users/jc/w/tmp/Tune-4351-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/24CountryDances_1812_JGray.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_4351.log 174667 Log file, useful mostly for debugging
Coll_43512.log 254009 Log file, useful mostly for debugging
Coll_43519.log 151927 Log file, useful mostly for debugging
Tune-4351-24CountryDances_1812_JGray.abc 17664 ABC music file with the extracted tune(s)
Tune-4351-24CountryDances_1812_JGray.ps 131732 PostScript
Tune-4351-24CountryDances_1812_JGray.txt 17664 Plain-text file with the extracted tune(s)
Tune-4351-get.log 19401 Log file, useful mostly for debugging
Tune-43511-get.log 5571 Log file, useful mostly for debugging
Tune-43514-get.log 7883 Log file, useful mostly for debugging
Tune-43515-get.log 1423 Log file, useful mostly for debugging
These files should be available for 24 hours.