pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-41405-ItHadToBeYou.ps) >>/Users/jc/w/tmp/Tune-41405-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/fake/ItHadToBeYou.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-41405-ItHadToBeYou.abc 4742 ABC music file with the extracted tune(s)
Tune-41405-ItHadToBeYou.ps 81047 PostScript
Tune-41405-ItHadToBeYou.txt 4742 Plain-text file with the extracted tune(s)
Tune-41405-get.log 6546 Log file, useful mostly for debugging
These files should be available for 24 hours.