Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book13/JamesJohnson_ScotsMusicalMuseumV5-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1050-JamesJohnson_ScotsMusicalMuseumV5-V1.ps) >>/Users/jc/w/tmp/Tune-1050-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book13/JamesJohnson_ScotsMusicalMuseumV5-V1.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_10505.log 165567 Log file, useful mostly for debugging
Tune-1050-HigginsBestHornpipe.abc 564 ABC music file with the extracted tune(s)
Tune-1050-HigginsBestHornpipe.pdf 19614 Portable Data Format
Tune-1050-HigginsBestHornpipe.ps 36780 PostScript
Tune-1050-HigginsBestHornpipe.txt 564 Plain-text file with the extracted tune(s)
Tune-1050-JamesJohnson_ScotsMusicalMuseumV5-V1.abc 175 ABC music file with the extracted tune(s)
Tune-1050-JamesJohnson_ScotsMusicalMuseumV5-V1.ps 6 PostScript
Tune-1050-JamesJohnson_ScotsMusicalMuseumV5-V1.txt 175 Plain-text file with the extracted tune(s)
Tune-1050-get.log 12754 Log file, useful mostly for debugging
Tune-10501-get.log 5844 Log file, useful mostly for debugging
Tune-10505-get.log 8530 Log file, useful mostly for debugging
Tune-10506-get.log 4290 Log file, useful mostly for debugging
Tune-10507-get.log 3068 Log file, useful mostly for debugging
These files should be available for 24 hours.