Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/William_Thomas_Green/24CountryDances_1766_Johnson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5510-24CountryDances_1766_Johnson.ps) >>/Users/jc/w/tmp/Tune-5510-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/William_Thomas_Green/24CountryDances_1766_Johnson.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_55107.log 155817 Log file, useful mostly for debugging
Find_55103.log 1479 Log file, useful mostly for debugging
Tune-5510-24CountryDances_1766_Johnson.abc 181 ABC music file with the extracted tune(s)
Tune-5510-24CountryDances_1766_Johnson.ps 6 PostScript
Tune-5510-24CountryDances_1766_Johnson.txt 181 Plain-text file with the extracted tune(s)
Tune-5510-get.log 8704 Log file, useful mostly for debugging
Tune-55102-get.log 5833 Log file, useful mostly for debugging
Tune-55103-get.log 4513 Log file, useful mostly for debugging
Tune-55104-JamesJohnson_ScotsMusicalMuseumV5-V1.abc 174 ABC music file with the extracted tune(s)
Tune-55104-JamesJohnson_ScotsMusicalMuseumV5-V1.txt 174 Plain-text file with the extracted tune(s)
Tune-55104-get.log 7899 Log file, useful mostly for debugging
Tune-55107-get.log 4324 Log file, useful mostly for debugging
Tune-55109-get.log 4449 Log file, useful mostly for debugging
These files should be available for 24 hours.