Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Whetherly09/WilliamShepherdsCollections.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4137-WilliamShepherdsCollections.ps) >>/Users/jc/w/tmp/Tune-4137-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Whetherly09/WilliamShepherdsCollections.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_41378.log 146687 Log file, useful mostly for debugging
Tune-4137-WilliamShepherdsCollections.abc 171 ABC music file with the extracted tune(s)
Tune-4137-WilliamShepherdsCollections.ps 6 PostScript
Tune-4137-WilliamShepherdsCollections.txt 171 Plain-text file with the extracted tune(s)
Tune-4137-get.log 4467 Log file, useful mostly for debugging
Tune-41370-get.log 3618 Log file, useful mostly for debugging
Tune-41371-get.log 3620 Log file, useful mostly for debugging
Tune-41372-get.log 8027 Log file, useful mostly for debugging
Tune-41373-get.log 8553 Log file, useful mostly for debugging
Tune-41374-get.log 8348 Log file, useful mostly for debugging
Tune-41375-get.log 3528 Log file, useful mostly for debugging
Tune-41376-get.log 8648 Log file, useful mostly for debugging
Tune-41378-get.log 4753 Log file, useful mostly for debugging
These files should be available for 24 hours.