pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3974-N2K_polk.ps) >>/Users/jc/w/tmp/Tune-3974-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/scand/N2K_polk.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_39741.log 134421 Log file, useful mostly for debugging
Coll_39744.log 557420 Log file, useful mostly for debugging
Coll_39749.log 1074020 Log file, useful mostly for debugging
Tune-3974-N2K_polk.abc 2107 ABC music file with the extracted tune(s)
Tune-3974-N2K_polk.ps 53524 PostScript
Tune-3974-N2K_polk.txt 2107 Plain-text file with the extracted tune(s)
Tune-3974-get.log 11355 Log file, useful mostly for debugging
Tune-39747-get.log 5265 Log file, useful mostly for debugging
Tune-39749-CJ68.abc 2239 ABC music file with the extracted tune(s)
Tune-39749-CJ68.ps 47787 PostScript
Tune-39749-CJ68.txt 2239 Plain-text file with the extracted tune(s)
Tune-39749-get.log 4307 Log file, useful mostly for debugging
These files should be available for 24 hours.