pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4525-0773_SPEED_THE_PLOUGH.ps) >>/Users/jc/w/tmp/Tune-4525-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/BostonCollection/0773_SPEED_THE_PLOUGH.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-4525-0773_SPEED_THE_PLOUGH.abc 588 ABC music file with the extracted tune(s)
Tune-4525-0773_SPEED_THE_PLOUGH.ps 36064 PostScript
Tune-4525-0773_SPEED_THE_PLOUGH.txt 588 Plain-text file with the extracted tune(s)
Tune-4525-Gow-CR-abc1.abc 148 ABC music file with the extracted tune(s)
Tune-4525-Gow-CR-abc1.txt 148 Plain-text file with the extracted tune(s)
Tune-4525-get.log 8057 Log file, useful mostly for debugging
Tune-45250-get.log 4259 Log file, useful mostly for debugging
Tune-45252-get.log 4835 Log file, useful mostly for debugging
Tune-45257-get.log 4982 Log file, useful mostly for debugging
These files should be available for 24 hours.