pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6305-MissBeatrice.ps) >>/Users/jc/w/tmp/Tune-6305-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/England/MissBeatrice.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_63055.log 277305 Log file, useful mostly for debugging
Tune-6305-MissBeatrice.abc 1296 ABC music file with the extracted tune(s)
Tune-6305-MissBeatrice.ps 38763 PostScript
Tune-6305-MissBeatrice.txt 1296 Plain-text file with the extracted tune(s)
Tune-6305-get.log 4869 Log file, useful mostly for debugging
Tune-63058-DundeeWhaler.abc 724 ABC music file with the extracted tune(s)
Tune-63058-DundeeWhaler.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-63058-DundeeWhaler.ps 36143 PostScript
Tune-63058-DundeeWhaler.txt 724 Plain-text file with the extracted tune(s)
Tune-63058-get.log 5631 Log file, useful mostly for debugging
These files should be available for 24 hours.