Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Kerr_MM/OriginallyMine.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9427-OriginallyMine.ps) >>/Users/jc/w/tmp/Tune-9427-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr_MM/OriginallyMine.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_94277.log 287140 Log file, useful mostly for debugging
Coll_94278.log 1324824 Log file, useful mostly for debugging
Tune-9427-OriginallyMine.abc 154 ABC music file with the extracted tune(s)
Tune-9427-OriginallyMine.ps 6 PostScript
Tune-9427-OriginallyMine.txt 154 Plain-text file with the extracted tune(s)
Tune-9427-get.log 5559 Log file, useful mostly for debugging
Tune-94271-get.log 4753 Log file, useful mostly for debugging
Tune-94272-get.log 9874 Log file, useful mostly for debugging
Tune-94273-get.log 5635 Log file, useful mostly for debugging
Tune-94274-get.log 4370 Log file, useful mostly for debugging
Tune-94278-get.log 7145 Log file, useful mostly for debugging
These files should be available for 24 hours.