Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MMM2/PaulBackstrom-LfD.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7485-PaulBackstrom-LfD.ps) >>/Users/jc/w/tmp/Tune-7485-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MMM2/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
Form_74855.log 889 Log file, useful mostly for debugging
Tune-7485-PaulBackstrom-LfD.abc 154 ABC music file with the extracted tune(s)
Tune-7485-PaulBackstrom-LfD.ps 6 PostScript
Tune-7485-PaulBackstrom-LfD.txt 154 Plain-text file with the extracted tune(s)
Tune-7485-get.log 8634 Log file, useful mostly for debugging
Tune-74855-get.log 6541 Log file, useful mostly for debugging
Tune-74856-get.log 4671 Log file, useful mostly for debugging
Tune-74859-24FavouriteDances_1783_Straight.abc 170 ABC music file with the extracted tune(s)
Tune-74859-24FavouriteDances_1783_Straight.pdf 2217 Portable Data Format
Tune-74859-24FavouriteDances_1783_Straight.ps 6 PostScript
Tune-74859-24FavouriteDances_1783_Straight.txt 170 Plain-text file with the extracted tune(s)
Tune-74859-get.log 11020 Log file, useful mostly for debugging
These files should be available for 24 hours.