Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/tunes/DanielWright_CCCCD.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4866-DanielWright_CCCCD.ps) >>/Users/jc/w/tmp/Tune-4866-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/tunes/DanielWright_CCCCD.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_48661.log 3510 Log file, useful mostly for debugging
Coll_48668.log 473812 Log file, useful mostly for debugging
Tune-4866-DanielWright_CCCCD.abc 156 ABC music file with the extracted tune(s)
Tune-4866-DanielWright_CCCCD.ps 6 PostScript
Tune-4866-DanielWright_CCCCD.txt 156 Plain-text file with the extracted tune(s)
Tune-4866-get.log 9538 Log file, useful mostly for debugging
Tune-48660-get.log 4007 Log file, useful mostly for debugging
Tune-48663-get.log 16470 Log file, useful mostly for debugging
Tune-48664-JeanWhite_HRJCD.abc 154 ABC music file with the extracted tune(s)
Tune-48664-JeanWhite_HRJCD.ps 6 PostScript
Tune-48664-JeanWhite_HRJCD.txt 154 Plain-text file with the extracted tune(s)
Tune-48664-get.log 7618 Log file, useful mostly for debugging
Tune-48665-get.log 4053 Log file, useful mostly for debugging
Tune-48668-get.log 4684 Log file, useful mostly for debugging
These files should be available for 24 hours.