pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-47960-397_Buonapartes_Defeat.ps) >>/Users/jc/w/tmp/Tune-47960-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1800/Preston/397_Buonapartes_Defeat.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-47960-397_Buonapartes_Defeat.abc 873 ABC music file with the extracted tune(s)
Tune-47960-397_Buonapartes_Defeat.ps 35418 PostScript
Tune-47960-397_Buonapartes_Defeat.txt 873 Plain-text file with the extracted tune(s)
Tune-47960-get.log 8090 Log file, useful mostly for debugging
These files should be available for 24 hours.