pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6573-Bobolinka.ps) >>/Users/jc/w/tmp/Tune-6573-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Contra/Bobolinka.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_65738.log 382680 Log file, useful mostly for debugging
Find_65732.log 1567 Log file, useful mostly for debugging
Tune-6573-Bobolinka.abc 2122 ABC music file with the extracted tune(s)
Tune-6573-Bobolinka.ps 41349 PostScript
Tune-6573-Bobolinka.txt 2122 Plain-text file with the extracted tune(s)
Tune-6573-get.log 4887 Log file, useful mostly for debugging
Tune-65730-get.log 3567 Log file, useful mostly for debugging
Tune-65733-get.log 5431 Log file, useful mostly for debugging
Tune-65736-get.log 5491 Log file, useful mostly for debugging
Tune-65738-get.log 4972 Log file, useful mostly for debugging
Tune-65739-get.log 4201 Log file, useful mostly for debugging
These files should be available for 24 hours.