pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7685-BotCDaSS.ps) >>/Users/jc/w/tmp/Tune-7685-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/BotCDaSS.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_7685.log 378465 Log file, useful mostly for debugging
Tune-7685-BotCDaSS.abc 64156 ABC music file with the extracted tune(s)
Tune-7685-BotCDaSS.ps 322358 PostScript
Tune-7685-BotCDaSS.txt 64156 Plain-text file with the extracted tune(s)
Tune-7685-get.log 38394 Log file, useful mostly for debugging
Tune-76852-get.log 4030 Log file, useful mostly for debugging
Tune-76854-get.log 5121 Log file, useful mostly for debugging
Tune-76858-Offas_Dyke-D-48-3.abc 596 ABC music file with the extracted tune(s)
Tune-76858-Offas_Dyke-D-48-3.ps 36330 PostScript
Tune-76858-Offas_Dyke-D-48-3.txt 596 Plain-text file with the extracted tune(s)
Tune-76858-get.log 5077 Log file, useful mostly for debugging
These files should be available for 24 hours.