pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7499-JubileeJig.ps) >>/Users/jc/w/tmp/Tune-7499-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/england/JubileeJig.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_74990.log 287140 Log file, useful mostly for debugging
Coll_74991.log 266065 Log file, useful mostly for debugging
Tune-7499-JubileeJig.abc 686 ABC music file with the extracted tune(s)
Tune-7499-JubileeJig.ps 34439 PostScript
Tune-7499-JubileeJig.txt 686 Plain-text file with the extracted tune(s)
Tune-7499-get.log 9450 Log file, useful mostly for debugging
Tune-74996-get.log 8714 Log file, useful mostly for debugging
Tune-74998-get.log 1374 Log file, useful mostly for debugging
These files should be available for 24 hours.