pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-90909-Bourree_12.ps) >>/Users/jc/w/tmp/Tune-90909-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/bourree/Bourree_12.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_90909.log 481033 Log file, useful mostly for debugging
Tune-90909-Bourree_12.abc 305 ABC music file with the extracted tune(s)
Tune-90909-Bourree_12.ps 33103 PostScript
Tune-90909-Bourree_12.txt 305 Plain-text file with the extracted tune(s)
Tune-90909-get.log 4414 Log file, useful mostly for debugging
These files should be available for 24 hours.