pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9953-N2K_shot.ps) >>/Users/jc/w/tmp/Tune-9953-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/scand/N2K_shot.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_99538.log 282925 Log file, useful mostly for debugging
Tune-9953-N2K_shot.abc 1808 ABC music file with the extracted tune(s)
Tune-9953-N2K_shot.ps 46779 PostScript
Tune-9953-N2K_shot.txt 1808 Plain-text file with the extracted tune(s)
Tune-9953-get.log 6155 Log file, useful mostly for debugging
Tune-99531-ZephyrsAndFlora.abc 736 ABC music file with the extracted tune(s)
Tune-99531-ZephyrsAndFlora.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-99531-ZephyrsAndFlora.ps 37515 PostScript
Tune-99531-ZephyrsAndFlora.txt 736 Plain-text file with the extracted tune(s)
Tune-99531-get.log 5754 Log file, useful mostly for debugging
These files should be available for 24 hours.