Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Whetherly21/24CountryDances_1770.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5226-24CountryDances_1770.ps) >>/Users/jc/w/tmp/Tune-5226-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Whetherly21/24CountryDances_1770.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-5226-24CountryDances_1770.abc 164 ABC music file with the extracted tune(s)
Tune-5226-24CountryDances_1770.ps 6 PostScript
Tune-5226-24CountryDances_1770.txt 164 Plain-text file with the extracted tune(s)
Tune-5226-get.log 4316 Log file, useful mostly for debugging
Tune-52264-IgnatiusSancho_CNS_v1.abc 174 ABC music file with the extracted tune(s)
Tune-52264-IgnatiusSancho_CNS_v1.pdf 2217 Portable Data Format
Tune-52264-IgnatiusSancho_CNS_v1.ps 6 PostScript
Tune-52264-IgnatiusSancho_CNS_v1.txt 174 Plain-text file with the extracted tune(s)
Tune-52264-get.log 10318 Log file, useful mostly for debugging
Tune-52266-get.log 3398 Log file, useful mostly for debugging
Tune-52269-get.log 5030 Log file, useful mostly for debugging
These files should be available for 24 hours.