pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5475-PortlandFancy.ps) >>/Users/jc/w/tmp/Tune-5475-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/england/PortlandFancy.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_54756.log 284330 Log file, useful mostly for debugging
Coll_54758.log 292760 Log file, useful mostly for debugging
Tune-5475-PortlandFancy.abc 1674 ABC music file with the extracted tune(s)
Tune-5475-PortlandFancy.ps 43279 PostScript
Tune-5475-PortlandFancy.txt 1674 Plain-text file with the extracted tune(s)
Tune-5475-get.log 4408 Log file, useful mostly for debugging
These files should be available for 24 hours.