Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MacNab02/24FavouriteDances_1783_Straight.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7763-24FavouriteDances_1783_Straight.ps) >>/Users/jc/w/tmp/Tune-7763-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MacNab02/24FavouriteDances_1783_Straight.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_77630.log 282011 Log file, useful mostly for debugging
Sess-7763.log 9096 Log file, useful mostly for debugging
Tune-7763-24FavouriteDances_1783_Straight.abc 172 ABC music file with the extracted tune(s)
Tune-7763-24FavouriteDances_1783_Straight.ps 6 PostScript
Tune-7763-24FavouriteDances_1783_Straight.txt 172 Plain-text file with the extracted tune(s)
Tune-7763-get.log 4533 Log file, useful mostly for debugging
Tune-77630-get.log 4254 Log file, useful mostly for debugging
Tune-77631-DanielWright_CCCCD.abc 155 ABC music file with the extracted tune(s)
Tune-77631-DanielWright_CCCCD.pdf 2217 Portable Data Format
Tune-77631-DanielWright_CCCCD.ps 6 PostScript
Tune-77631-DanielWright_CCCCD.txt 155 Plain-text file with the extracted tune(s)
Tune-77631-get.log 8416 Log file, useful mostly for debugging
Tune-77632-get.log 100456 Log file, useful mostly for debugging
Tune-77636-HillCountryTunes.abc 155 ABC music file with the extracted tune(s)
Tune-77636-HillCountryTunes.ps 6 PostScript
Tune-77636-HillCountryTunes.txt 155 Plain-text file with the extracted tune(s)
Tune-77636-get.log 10981 Log file, useful mostly for debugging
These files should be available for 24 hours.