pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-85085-10912_CAMERONIAN_RANT.ps) >>/Users/jc/w/tmp/Tune-85085-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/10912_CAMERONIAN_RANT.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_85085.log 261851 Log file, useful mostly for debugging
Form_85085.log 836 Log file, useful mostly for debugging
Tune-85085-10912_CAMERONIAN_RANT.abc 719 ABC music file with the extracted tune(s)
Tune-85085-10912_CAMERONIAN_RANT.ps 37249 PostScript
Tune-85085-10912_CAMERONIAN_RANT.txt 719 Plain-text file with the extracted tune(s)
Tune-85085-get.log 4705 Log file, useful mostly for debugging
These files should be available for 24 hours.