pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-31525-Shottish_9.ps) >>/Users/jc/w/tmp/Tune-31525-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/shottish/Shottish_9.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_31525.log 1534 Log file, useful mostly for debugging
Tune-31525-Shottish_9.abc 353 ABC music file with the extracted tune(s)
Tune-31525-Shottish_9.ps 33612 PostScript
Tune-31525-Shottish_9.txt 353 Plain-text file with the extracted tune(s)
Tune-31525-get.log 9924 Log file, useful mostly for debugging
These files should be available for 24 hours.