Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book43/book_of_rights.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7310-book_of_rights.ps) >>/Users/jc/w/tmp/Tune-7310-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book43/book_of_rights.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_73101.log 161667 Log file, useful mostly for debugging
Tune-7310-book_of_rights.abc 153 ABC music file with the extracted tune(s)
Tune-7310-book_of_rights.ps 6 PostScript
Tune-7310-book_of_rights.txt 153 Plain-text file with the extracted tune(s)
Tune-7310-get.log 4162 Log file, useful mostly for debugging
Tune-73101-get.log 5587 Log file, useful mostly for debugging
Tune-73102-ThomasMarsden.abc 152 ABC music file with the extracted tune(s)
Tune-73102-ThomasMarsden.pdf 2217 Portable Data Format
Tune-73102-ThomasMarsden.ps 6 PostScript
Tune-73102-ThomasMarsden.txt 152 Plain-text file with the extracted tune(s)
Tune-73102-get.log 4985 Log file, useful mostly for debugging
These files should be available for 24 hours.