Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/_1850/24CountryDances_1805_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8081-24CountryDances_1805_Thompson.ps) >>/Users/jc/w/tmp/Tune-8081-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/_1850/24CountryDances_1805_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_80815.log 155857 Log file, useful mostly for debugging
Tune-8081-24CountryDances_1805_Thompson.abc 167 ABC music file with the extracted tune(s)
Tune-8081-24CountryDances_1805_Thompson.ps 6 PostScript
Tune-8081-24CountryDances_1805_Thompson.txt 167 Plain-text file with the extracted tune(s)
Tune-8081-get.log 4471 Log file, useful mostly for debugging
Tune-80810-get.log 2986 Log file, useful mostly for debugging
Tune-80813-get.log 4037 Log file, useful mostly for debugging
Tune-80817-get.log 5098 Log file, useful mostly for debugging
Tune-80819-get.log 3224 Log file, useful mostly for debugging
These files should be available for 24 hours.