Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book49/PaulBackstrom-LfD.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-18215-PaulBackstrom-LfD.ps) >>/Users/jc/w/tmp/Tune-18215-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book49/PaulBackstrom-LfD.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-18215-CR3-abc2.abc 701 ABC music file with the extracted tune(s)
Tune-18215-CR3-abc2.malt 2397 Musical Instrument Digital Interface, alternate name for midi format
Tune-18215-CR3-abc2.mid 2397 Musical Instrument Digital interface, shortened name for midi format
Tune-18215-CR3-abc2.midi 2397 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-18215-CR3-abc2.txt 701 Plain-text file with the extracted tune(s)
Tune-18215-PaulBackstrom-LfD.abc 156 ABC music file with the extracted tune(s)
Tune-18215-PaulBackstrom-LfD.ps 6 PostScript
Tune-18215-PaulBackstrom-LfD.txt 156 Plain-text file with the extracted tune(s)
Tune-18215-get.log 31888 Log file, useful mostly for debugging
These files should be available for 24 hours.