pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6354-Whitefryers_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-6354-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/hornpipe/Whitefryers_Hornpipe.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_63548.log 153121 Log file, useful mostly for debugging
Tune-6354-Whitefryers_Hornpipe.abc 841 ABC music file with the extracted tune(s)
Tune-6354-Whitefryers_Hornpipe.ps 41328 PostScript
Tune-6354-Whitefryers_Hornpipe.txt 841 Plain-text file with the extracted tune(s)
Tune-6354-get.log 6263 Log file, useful mostly for debugging
Tune-63543-get.log 4327 Log file, useful mostly for debugging
Tune-63544-get.log 3888 Log file, useful mostly for debugging
These files should be available for 24 hours.