pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-56564-2408_Nancy_Till.ps) >>/Users/jc/w/tmp/Tune-56564-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM2/2408_Nancy_Till.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_56564.log 289012 Log file, useful mostly for debugging
Tune-56564-2408_Nancy_Till.abc 409 ABC music file with the extracted tune(s)
Tune-56564-2408_Nancy_Till.ps 34219 PostScript
Tune-56564-2408_Nancy_Till.txt 409 Plain-text file with the extracted tune(s)
Tune-56564-get.log 4548 Log file, useful mostly for debugging
These files should be available for 24 hours.