Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1803/WilliamWinterQuantocks.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4475-WilliamWinterQuantocks.ps) >>/Users/jc/w/tmp/Tune-4475-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1803/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_44750.log 697400 Log file, useful mostly for debugging
Tune-4475-ViolaRuth_AmericanSD.abc 157 ABC music file with the extracted tune(s)
Tune-4475-ViolaRuth_AmericanSD.txt 157 Plain-text file with the extracted tune(s)
Tune-4475-WilliamWinterQuantocks.abc 159 ABC music file with the extracted tune(s)
Tune-4475-WilliamWinterQuantocks.ps 6 PostScript
Tune-4475-WilliamWinterQuantocks.txt 159 Plain-text file with the extracted tune(s)
Tune-4475-get.log 7670 Log file, useful mostly for debugging
Tune-44755-get.log 8023 Log file, useful mostly for debugging
Tune-44758-get.log 4220 Log file, useful mostly for debugging
These files should be available for 24 hours.