pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1173-Roxburg_Castle16.ps) >>/Users/jc/w/tmp/Tune-1173-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/hornpipe/Roxburg_Castle16.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_11735.log 306809 Log file, useful mostly for debugging
Tune-1173-Roxburg_Castle16.abc 671 ABC music file with the extracted tune(s)
Tune-1173-Roxburg_Castle16.ps 35096 PostScript
Tune-1173-Roxburg_Castle16.txt 671 Plain-text file with the extracted tune(s)
Tune-1173-get.log 4554 Log file, useful mostly for debugging
Tune-11735-get.log 4032 Log file, useful mostly for debugging
Tune-11736-get.log 3152 Log file, useful mostly for debugging
Tune-11739-get.log 3128 Log file, useful mostly for debugging
These files should be available for 24 hours.