pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-73821-SantaLucia.ps) >>/Users/jc/w/tmp/Tune-73821-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/scand/SantaLucia.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_73821.log 284330 Log file, useful mostly for debugging
Tune-73821-SantaLucia.abc 1749 ABC music file with the extracted tune(s)
Tune-73821-SantaLucia.ps 43701 PostScript
Tune-73821-SantaLucia.txt 1749 Plain-text file with the extracted tune(s)
Tune-73821-get.log 5218 Log file, useful mostly for debugging
These files should be available for 24 hours.