Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/JJC/PaulBackstrom-LfD.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8297-PaulBackstrom-LfD.ps) >>/Users/jc/w/tmp/Tune-8297-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JJC/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
Coll_82979.log 571706 Log file, useful mostly for debugging
Find_82973.log 1245 Log file, useful mostly for debugging
Tune-8297-PaulBackstrom-LfD.abc 153 ABC music file with the extracted tune(s)
Tune-8297-PaulBackstrom-LfD.ps 6 PostScript
Tune-8297-PaulBackstrom-LfD.txt 153 Plain-text file with the extracted tune(s)
Tune-8297-get.log 4207 Log file, useful mostly for debugging
Tune-82979-Gow-CSR4-abc2.abc 151 ABC music file with the extracted tune(s)
Tune-82979-Gow-CSR4-abc2.pdf 2217 Portable Data Format
Tune-82979-Gow-CSR4-abc2.ps 6 PostScript
Tune-82979-Gow-CSR4-abc2.txt 151 Plain-text file with the extracted tune(s)
Tune-82979-get.log 4977 Log file, useful mostly for debugging
These files should be available for 24 hours.