pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4343-NottinghamSwing.ps) >>/Users/jc/w/tmp/Tune-4343-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/England/NottinghamSwing.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_43439.log 273090 Log file, useful mostly for debugging
Find_43436.log 1742 Log file, useful mostly for debugging
Tune-4343-NottinghamSwing.abc 1612 ABC music file with the extracted tune(s)
Tune-4343-NottinghamSwing.ps 46759 PostScript
Tune-4343-NottinghamSwing.txt 1612 Plain-text file with the extracted tune(s)
Tune-4343-get.log 5029 Log file, useful mostly for debugging
These files should be available for 24 hours.