pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-83531-002.ps) >>/Users/jc/w/tmp/Tune-83531-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EverydaySongBook/002=Sleep_Baby_Sleep-V2.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_83531.log 264661 Log file, useful mostly for debugging
Tune-83531-002.abc 1902 ABC music file with the extracted tune(s)
Tune-83531-002.ps 41296 PostScript
Tune-83531-002.txt 1902 Plain-text file with the extracted tune(s)
Tune-83531-get.log 10820 Log file, useful mostly for debugging
These files should be available for 24 hours.