pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-85397-DanielWright_CCCCD.ps) >>/Users/jc/w/tmp/Tune-85397-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DanielWright_CCCCD.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_85397.log 325075 Log file, useful mostly for debugging
Tune-85397-DanielWright_CCCCD.abc 223041 ABC music file with the extracted tune(s)
Tune-85397-DanielWright_CCCCD.ps 850293 PostScript
Tune-85397-DanielWright_CCCCD.txt 223041 Plain-text file with the extracted tune(s)
Tune-85397-get.log 208838 Log file, useful mostly for debugging
These files should be available for 24 hours.