Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Graded1/FARNE_Anonymous1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4490-FARNE_Anonymous1.ps) >>/Users/jc/w/tmp/Tune-4490-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Graded1/FARNE_Anonymous1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_4490.log 1662 Log file, useful mostly for debugging
Tune-4490-FARNE_Anonymous1.abc 156 ABC music file with the extracted tune(s)
Tune-4490-FARNE_Anonymous1.ps 6 PostScript
Tune-4490-FARNE_Anonymous1.txt 156 Plain-text file with the extracted tune(s)
Tune-4490-get.log 7800 Log file, useful mostly for debugging
Tune-44900-get.log 6105 Log file, useful mostly for debugging
Tune-44901-get.log 3184 Log file, useful mostly for debugging
Tune-44903-get.log 5431 Log file, useful mostly for debugging
Tune-44904-get.log 9184 Log file, useful mostly for debugging
Tune-44907-get.log 8518 Log file, useful mostly for debugging
Tune-44908-get.log 10505 Log file, useful mostly for debugging
Tune-44909-get.log 5562 Log file, useful mostly for debugging
These files should be available for 24 hours.