pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9279-Acrobat.ps) >>/Users/jc/w/tmp/Tune-9279-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/hornpipe/Acrobat.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_92798.log 140225 Log file, useful mostly for debugging
Tune-9279-Acrobat.abc 492 ABC music file with the extracted tune(s)
Tune-9279-Acrobat.ps 36022 PostScript
Tune-9279-Acrobat.txt 492 Plain-text file with the extracted tune(s)
Tune-9279-get.log 4326 Log file, useful mostly for debugging
Tune-92790-get.log 4323 Log file, useful mostly for debugging
Tune-92792-FiddleHillJig.abc 997 ABC music file with the extracted tune(s)
Tune-92792-FiddleHillJig.txt 997 Plain-text file with the extracted tune(s)
Tune-92792-get.log 3821 Log file, useful mostly for debugging
Tune-92798-get.log 12250 Log file, useful mostly for debugging
These files should be available for 24 hours.