pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-71522-Goulding_TwentyFourCountryDancesForTheYear1808.ps) >>/Users/jc/w/tmp/Tune-71522-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Goulding_TwentyFourCountryDancesForTheYear1808.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_71522.log 833 Log file, useful mostly for debugging
Tune-71522-Goulding_TwentyFourCountryDancesForTheYear1808.abc 11962 ABC music file with the extracted tune(s)
Tune-71522-Goulding_TwentyFourCountryDancesForTheYear1808.ps 125706 PostScript
Tune-71522-Goulding_TwentyFourCountryDancesForTheYear1808.txt 11962 Plain-text file with the extracted tune(s)
Tune-71522-get.log 19697 Log file, useful mostly for debugging
These files should be available for 24 hours.