Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MM1/24CountryDances_1766_Johnson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7255-24CountryDances_1766_Johnson.ps) >>/Users/jc/w/tmp/Tune-7255-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MM1/24CountryDances_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
Tune-7255-24CountryDances_1766_Johnson.abc 164 ABC music file with the extracted tune(s)
Tune-7255-24CountryDances_1766_Johnson.ps 6 PostScript
Tune-7255-24CountryDances_1766_Johnson.txt 164 Plain-text file with the extracted tune(s)
Tune-7255-get.log 4436 Log file, useful mostly for debugging
Tune-72550-get.log 19625 Log file, useful mostly for debugging
Tune-72551-get.log 10274 Log file, useful mostly for debugging
Tune-72552-get.log 4444 Log file, useful mostly for debugging
Tune-72553-get.log 4590 Log file, useful mostly for debugging
Tune-72554-get.log 5802 Log file, useful mostly for debugging
Tune-72556-Playford_AB.abc 147 ABC music file with the extracted tune(s)
Tune-72556-Playford_AB.ps 6 PostScript
Tune-72556-Playford_AB.txt 147 Plain-text file with the extracted tune(s)
Tune-72556-get.log 8621 Log file, useful mostly for debugging
Tune-72557-LittlePeggysJig.abc 447 ABC music file with the extracted tune(s)
Tune-72557-LittlePeggysJig.ps 34046 PostScript
Tune-72557-LittlePeggysJig.txt 447 Plain-text file with the extracted tune(s)
Tune-72557-get.log 4666 Log file, useful mostly for debugging
Tune-72558-HibernianMuse-V1.abc 153 ABC music file with the extracted tune(s)
Tune-72558-HibernianMuse-V1.ps 6 PostScript
Tune-72558-HibernianMuse-V1.txt 153 Plain-text file with the extracted tune(s)
Tune-72558-get.log 4117 Log file, useful mostly for debugging
These files should be available for 24 hours.