pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7424-Woodcutters.ps) >>/Users/jc/w/tmp/Tune-7424-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnWalsh/Woodcutters.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_74241.log 709012 Log file, useful mostly for debugging
Tune-7424-Woodcutters.abc 1152 ABC music file with the extracted tune(s)
Tune-7424-Woodcutters.ps 37257 PostScript
Tune-7424-Woodcutters.txt 1152 Plain-text file with the extracted tune(s)
Tune-7424-get.log 4452 Log file, useful mostly for debugging
These files should be available for 24 hours.