pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-56866-BarnErFodtIBetlehem.ps) >>/Users/jc/w/tmp/Tune-56866-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scand/BarnErFodtIBetlehem.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_56866.log 284330 Log file, useful mostly for debugging
Tune-56866-BarnErFodtIBetlehem.abc 1024 ABC music file with the extracted tune(s)
Tune-56866-BarnErFodtIBetlehem.ps 36343 PostScript
Tune-56866-BarnErFodtIBetlehem.txt 1024 Plain-text file with the extracted tune(s)
Tune-56866-get.log 5653 Log file, useful mostly for debugging
These files should be available for 24 hours.