pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8665-Atholl_Highlanders-A-64-4.ps) >>/Users/jc/w/tmp/Tune-8665-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/session/jig/Atholl_Highlanders-A-64-4.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_86650.log 619240 Log file, useful mostly for debugging
Coll_86652.log 311025 Log file, useful mostly for debugging
Coll_86656.log 464884 Log file, useful mostly for debugging
Tune-8665-Atholl_Highlanders-A-64-4.abc 908 ABC music file with the extracted tune(s)
Tune-8665-Atholl_Highlanders-A-64-4.ps 37735 PostScript
Tune-8665-Atholl_Highlanders-A-64-4.txt 908 Plain-text file with the extracted tune(s)
Tune-8665-get.log 5410 Log file, useful mostly for debugging
These files should be available for 24 hours.