pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6323-AngusMacKinnonsHornpipe.ps) >>/Users/jc/w/tmp/Tune-6323-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/AngusMacKinnonsHornpipe.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_63234.log 285735 Log file, useful mostly for debugging
Coll_63238.log 277305 Log file, useful mostly for debugging
Tune-6323-AngusMacKinnonsHornpipe.abc 1944 ABC music file with the extracted tune(s)
Tune-6323-AngusMacKinnonsHornpipe.ps 47665 PostScript
Tune-6323-AngusMacKinnonsHornpipe.txt 1944 Plain-text file with the extracted tune(s)
Tune-6323-get.log 5205 Log file, useful mostly for debugging
Tune-63233-Chetvorno.abc 2248 ABC music file with the extracted tune(s)
Tune-63233-Chetvorno.ps 51491 PostScript
Tune-63233-Chetvorno.txt 2248 Plain-text file with the extracted tune(s)
Tune-63233-get.log 4385 Log file, useful mostly for debugging
These files should be available for 24 hours.