pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6449-Hambo4.ps) >>/Users/jc/w/tmp/Tune-6449-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scand/Hambo4.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_6449.log 133131 Log file, useful mostly for debugging
Tune-6449-Hambo4.abc 2005 ABC music file with the extracted tune(s)
Tune-6449-Hambo4.ps 55138 PostScript
Tune-6449-Hambo4.txt 2005 Plain-text file with the extracted tune(s)
Tune-6449-get.log 4229 Log file, useful mostly for debugging
These files should be available for 24 hours.