Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/jig/WilliamWinterQuantocks.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6206-WilliamWinterQuantocks.ps) >>/Users/jc/w/tmp/Tune-6206-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/jig/WilliamWinterQuantocks.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_62061.log 459811 Log file, useful mostly for debugging
Coll_62065.log 926617 Log file, useful mostly for debugging
Tune-6206-WilliamWinterQuantocks.abc 158 ABC music file with the extracted tune(s)
Tune-6206-WilliamWinterQuantocks.ps 6 PostScript
Tune-6206-WilliamWinterQuantocks.txt 158 Plain-text file with the extracted tune(s)
Tune-6206-get.log 4314 Log file, useful mostly for debugging
Tune-62063-get.log 4221 Log file, useful mostly for debugging
Tune-62064-get.log 8947 Log file, useful mostly for debugging
Tune-62065-get.log 5531 Log file, useful mostly for debugging
Tune-62069-get.log 11024 Log file, useful mostly for debugging
These files should be available for 24 hours.