Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1767/WilliamWinterQuantocks.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3485-WilliamWinterQuantocks.ps) >>/Users/jc/w/tmp/Tune-3485-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1767/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_34856.log 116817 Log file, useful mostly for debugging
Tune-3485-WilliamWinterQuantocks.abc 159 ABC music file with the extracted tune(s)
Tune-3485-WilliamWinterQuantocks.ps 6 PostScript
Tune-3485-WilliamWinterQuantocks.txt 159 Plain-text file with the extracted tune(s)
Tune-3485-get.log 4318 Log file, useful mostly for debugging
Tune-34850-get.log 9433 Log file, useful mostly for debugging
Tune-34851-get.log 10303 Log file, useful mostly for debugging
Tune-34853-get.log 4104 Log file, useful mostly for debugging
Tune-34855-get.log 14622 Log file, useful mostly for debugging
Tune-34856-get.log 4595 Log file, useful mostly for debugging
Tune-34857-get.log 10247 Log file, useful mostly for debugging
Tune-34858-get.log 12547 Log file, useful mostly for debugging
Tune-34859-get.log 10967 Log file, useful mostly for debugging
These files should be available for 24 hours.