Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book49/OriginallyMine.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3584-OriginallyMine.ps) >>/Users/jc/w/tmp/Tune-3584-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book49/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
Form_35848.log 828 Log file, useful mostly for debugging
Tune-3584-OriginallyMine.abc 153 ABC music file with the extracted tune(s)
Tune-3584-OriginallyMine.ps 6 PostScript
Tune-3584-OriginallyMine.txt 153 Plain-text file with the extracted tune(s)
Tune-3584-get.log 4162 Log file, useful mostly for debugging
Tune-35841-get.log 4396 Log file, useful mostly for debugging
Tune-35844-get.log 4066 Log file, useful mostly for debugging
Tune-35849-get.log 28591 Log file, useful mostly for debugging
These files should be available for 24 hours.