Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/FdML/book_of_rights.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6031-book_of_rights.ps) >>/Users/jc/w/tmp/Tune-6031-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/FdML/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_60318.log 153866 Log file, useful mostly for debugging
Find_60319.log 1575 Log file, useful mostly for debugging
Tune-6031-MMM2.abc 146 ABC music file with the extracted tune(s)
Tune-6031-MMM2.txt 146 Plain-text file with the extracted tune(s)
Tune-6031-book_of_rights.abc 151 ABC music file with the extracted tune(s)
Tune-6031-book_of_rights.ps 6 PostScript
Tune-6031-book_of_rights.txt 151 Plain-text file with the extracted tune(s)
Tune-6031-get.log 7250 Log file, useful mostly for debugging
Tune-60313-get.log 4220 Log file, useful mostly for debugging
Tune-60314-get.log 1306 Log file, useful mostly for debugging
Tune-60315-JohnFrench.abc 149 ABC music file with the extracted tune(s)
Tune-60315-JohnFrench.pdf 2217 Portable Data Format
Tune-60315-JohnFrench.ps 6 PostScript
Tune-60315-JohnFrench.txt 149 Plain-text file with the extracted tune(s)
Tune-60315-get.log 4894 Log file, useful mostly for debugging
These files should be available for 24 hours.