pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-74809-NuttingGirl.ps) >>/Users/jc/w/tmp/Tune-74809-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/england/NuttingGirl.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_74809.log 264660 Log file, useful mostly for debugging
Tune-74809-NuttingGirl.abc 1766 ABC music file with the extracted tune(s)
Tune-74809-NuttingGirl.ps 47074 PostScript
Tune-74809-NuttingGirl.txt 1766 Plain-text file with the extracted tune(s)
Tune-74809-get.log 6247 Log file, useful mostly for debugging
These files should be available for 24 hours.