Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/NewWineInOldBottles/24CountryDances_1792_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4539-24CountryDances_1792_Thompson.ps) >>/Users/jc/w/tmp/Tune-4539-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/NewWineInOldBottles/24CountryDances_1792_Thompson.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_45391.log 259611 Log file, useful mostly for debugging
Coll_45397.log 585929 Log file, useful mostly for debugging
Tune-4539-24CountryDances_1792_Thompson.abc 181 ABC music file with the extracted tune(s)
Tune-4539-24CountryDances_1792_Thompson.ps 6 PostScript
Tune-4539-24CountryDances_1792_Thompson.txt 181 Plain-text file with the extracted tune(s)
Tune-4539-get.log 7795 Log file, useful mostly for debugging
Tune-45391-get.log 4326 Log file, useful mostly for debugging
Tune-45393-get.log 5435 Log file, useful mostly for debugging
Tune-45395-get.log 4570 Log file, useful mostly for debugging
Tune-45396-JamesJohnson_ScotsMusicalMuseumV4-V2.abc 173 ABC music file with the extracted tune(s)
Tune-45396-JamesJohnson_ScotsMusicalMuseumV4-V2.txt 173 Plain-text file with the extracted tune(s)
Tune-45396-get.log 3656 Log file, useful mostly for debugging
Tune-45398-get.log 5274 Log file, useful mostly for debugging
Tune-45399-get.log 3310 Log file, useful mostly for debugging
These files should be available for 24 hours.