pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6160-CR51.ps) >>/Users/jc/w/tmp/Tune-6160-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Contra/CR51.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-6160-CR51.abc 1705 ABC music file with the extracted tune(s)
Tune-6160-CR51.ps 44596 PostScript
Tune-6160-CR51.txt 1705 Plain-text file with the extracted tune(s)
Tune-6160-get.log 4241 Log file, useful mostly for debugging
Tune-61601-WaterlooReel.abc 473 ABC music file with the extracted tune(s)
Tune-61601-WaterlooReel.ps 37014 PostScript
Tune-61601-WaterlooReel.txt 473 Plain-text file with the extracted tune(s)
Tune-61601-get.log 8950 Log file, useful mostly for debugging
Tune-61605-get.log 9863 Log file, useful mostly for debugging
These files should be available for 24 hours.