pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-86935-CJ80.ps) >>/Users/jc/w/tmp/Tune-86935-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Contra/CJ80.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_86935.log 253420 Log file, useful mostly for debugging
Tune-86935-CJ80.abc 1706 ABC music file with the extracted tune(s)
Tune-86935-CJ80.ps 47684 PostScript
Tune-86935-CJ80.txt 1706 Plain-text file with the extracted tune(s)
Tune-86935-get.log 4282 Log file, useful mostly for debugging
These files should be available for 24 hours.