pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6513-CDfNH1783.ps) >>/Users/jc/w/tmp/Tune-6513-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CDfNH1783.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-6513-CDfNH1783.abc 2263 ABC music file with the extracted tune(s)
Tune-6513-CDfNH1783.ps 46161 PostScript
Tune-6513-CDfNH1783.txt 2263 Plain-text file with the extracted tune(s)
Tune-6513-get.log 5766 Log file, useful mostly for debugging
Tune-65130-get.log 5100 Log file, useful mostly for debugging
Tune-65131-get.log 3204 Log file, useful mostly for debugging
Tune-65132-get.log 6898 Log file, useful mostly for debugging
Tune-65135-get.log 1396 Log file, useful mostly for debugging
Tune-65136-get.log 4712 Log file, useful mostly for debugging
Tune-65137-get.log 5164 Log file, useful mostly for debugging
These files should be available for 24 hours.