pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7439-CJ85.ps) >>/Users/jc/w/tmp/Tune-7439-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Contra/CJ85.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_74392.log 95364 Log file, useful mostly for debugging
Tune-7439-CJ85.abc 2008 ABC music file with the extracted tune(s)
Tune-7439-CJ85.ps 51713 PostScript
Tune-7439-CJ85.txt 2008 Plain-text file with the extracted tune(s)
Tune-7439-get.log 4349 Log file, useful mostly for debugging
Tune-74391-get.log 20374 Log file, useful mostly for debugging
Tune-74391-new_CR.abc 15631 ABC music file with the extracted tune(s)
Tune-74391-new_CR.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-74391-new_CR.ps 170454 PostScript
Tune-74391-new_CR.txt 15631 Plain-text file with the extracted tune(s)
Tune-74393-get.log 4497 Log file, useful mostly for debugging
Tune-74396-get.log 4114 Log file, useful mostly for debugging
These files should be available for 24 hours.