Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/4NCD/FARNE_Anonymous2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7864-FARNE_Anonymous2.ps) >>/Users/jc/w/tmp/Tune-7864-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/4NCD/FARNE_Anonymous2.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-7864-FARNE_Anonymous2.abc 153 ABC music file with the extracted tune(s)
Tune-7864-FARNE_Anonymous2.ps 6 PostScript
Tune-7864-FARNE_Anonymous2.txt 153 Plain-text file with the extracted tune(s)
Tune-7864-get.log 8796 Log file, useful mostly for debugging
Tune-78640-get.log 5236 Log file, useful mostly for debugging
Tune-78642-get.log 5306 Log file, useful mostly for debugging
Tune-78647-get.log 3702 Log file, useful mostly for debugging
Tune-78649-get.log 13325 Log file, useful mostly for debugging
These files should be available for 24 hours.