pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3407-821_Waiting_for_Snow.ps) >>/Users/jc/w/tmp/Tune-3407-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/BotCDaSS/821_Waiting_for_Snow.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_34070.log 1006 Log file, useful mostly for debugging
Tune-3407-821_Waiting_for_Snow.abc 721 ABC music file with the extracted tune(s)
Tune-3407-821_Waiting_for_Snow.ps 34203 PostScript
Tune-3407-821_Waiting_for_Snow.txt 721 Plain-text file with the extracted tune(s)
Tune-3407-get.log 4660 Log file, useful mostly for debugging
Tune-34071-2086_Macivars.abc 832 ABC music file with the extracted tune(s)
Tune-34071-2086_Macivars.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-34071-2086_Macivars.ps 41104 PostScript
Tune-34071-2086_Macivars.txt 832 Plain-text file with the extracted tune(s)
Tune-34071-get.log 5443 Log file, useful mostly for debugging
Tune-34074-get.log 4427 Log file, useful mostly for debugging
Tune-34075-get.log 3986 Log file, useful mostly for debugging
Tune-34078-get.log 2833 Log file, useful mostly for debugging
Tune-34079-get.log 1495 Log file, useful mostly for debugging
These files should be available for 24 hours.