pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-70129-GoldenBookOfFavoriteSongs1.ps) >>/Users/jc/w/tmp/Tune-70129-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/GoldenBookOfFavoriteSongs/GoldenBookOfFavoriteSongs1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-70129-24CountryDances_1813_Button_Whitaker.abc 174 ABC music file with the extracted tune(s)
Tune-70129-24CountryDances_1813_Button_Whitaker.pdf 2217 Portable Data Format
Tune-70129-24CountryDances_1813_Button_Whitaker.ps 6 PostScript
Tune-70129-24CountryDances_1813_Button_Whitaker.txt 174 Plain-text file with the extracted tune(s)
Tune-70129-GoldenBookOfFavoriteSongs1.abc 41077 ABC music file with the extracted tune(s)
Tune-70129-GoldenBookOfFavoriteSongs1.ps 239071 PostScript
Tune-70129-GoldenBookOfFavoriteSongs1.txt 41077 Plain-text file with the extracted tune(s)
Tune-70129-get.log 29357 Log file, useful mostly for debugging
These files should be available for 24 hours.