Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1750/24CountryDances_1776_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8539-24CountryDances_1776_Thompson.ps) >>/Users/jc/w/tmp/Tune-8539-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1750/24CountryDances_1776_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
Sess-85393.log 15104 Log file, useful mostly for debugging
Tune-8539-24CountryDances_1776_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-8539-24CountryDances_1776_Thompson.ps 6 PostScript
Tune-8539-24CountryDances_1776_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-8539-get.log 4467 Log file, useful mostly for debugging
Tune-85390-get.log 14103 Log file, useful mostly for debugging
Tune-85391-get.log 4056 Log file, useful mostly for debugging
Tune-85392-get.log 4977 Log file, useful mostly for debugging
Tune-85394-Hamilton_HUTB2-1846-V1.abc 160 ABC music file with the extracted tune(s)
Tune-85394-Hamilton_HUTB2-1846-V1.ps 6 PostScript
Tune-85394-Hamilton_HUTB2-1846-V1.txt 160 Plain-text file with the extracted tune(s)
Tune-85394-get.log 4374 Log file, useful mostly for debugging
Tune-85397-get.log 5840 Log file, useful mostly for debugging
These files should be available for 24 hours.