Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book03/FARNE_Anonymous2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-415-FARNE_Anonymous2.ps) >>/Users/jc/w/tmp/Tune-415-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book03/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
Coll_41544.log 140335 Log file, useful mostly for debugging
Coll_41567.log 125616 Log file, useful mostly for debugging
Coll_41581.log 135856 Log file, useful mostly for debugging
Coll_41595.log 126896 Log file, useful mostly for debugging
Find_41560.log 2004 Log file, useful mostly for debugging
Tune-415-FARNE_Anonymous2.abc 155 ABC music file with the extracted tune(s)
Tune-415-FARNE_Anonymous2.ps 6 PostScript
Tune-415-FARNE_Anonymous2.txt 155 Plain-text file with the extracted tune(s)
Tune-415-get.log 4187 Log file, useful mostly for debugging
Tune-41503-get.log 5642 Log file, useful mostly for debugging
Tune-41504-get.log 5887 Log file, useful mostly for debugging
These files should be available for 24 hours.