Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MM4/24CountryDances_1792_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5276-24CountryDances_1792_Thompson.ps) >>/Users/jc/w/tmp/Tune-5276-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MM4/24CountryDances_1792_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
Tune-5276-24CountryDances_1792_Thompson.abc 165 ABC music file with the extracted tune(s)
Tune-5276-24CountryDances_1792_Thompson.ps 6 PostScript
Tune-5276-24CountryDances_1792_Thompson.txt 165 Plain-text file with the extracted tune(s)
Tune-5276-get.log 8677 Log file, useful mostly for debugging
Tune-52761-Gow-CSR2-abc1.abc 151 ABC music file with the extracted tune(s)
Tune-52761-Gow-CSR2-abc1.ps 6 PostScript
Tune-52761-Gow-CSR2-abc1.txt 151 Plain-text file with the extracted tune(s)
Tune-52761-get.log 4060 Log file, useful mostly for debugging
Tune-52762-get.log 3899 Log file, useful mostly for debugging
Tune-52762-v2tune.abc 142 ABC music file with the extracted tune(s)
Tune-52762-v2tune.ps 6 PostScript
Tune-52762-v2tune.txt 142 Plain-text file with the extracted tune(s)
Tune-52766-William_Clarke_MS_1770.abc 160 ABC music file with the extracted tune(s)
Tune-52766-William_Clarke_MS_1770.pdf 2217 Portable Data Format
Tune-52766-William_Clarke_MS_1770.ps 6 PostScript
Tune-52766-William_Clarke_MS_1770.txt 160 Plain-text file with the extracted tune(s)
Tune-52766-get.log 5234 Log file, useful mostly for debugging
Tune-52767-get.log 4003 Log file, useful mostly for debugging
These files should be available for 24 hours.