Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/waltz/24CountryDances_1778_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9127-24CountryDances_1778_Thompson.ps) >>/Users/jc/w/tmp/Tune-9127-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/waltz/24CountryDances_1778_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_91278.log 152494 Log file, useful mostly for debugging
Tune-9127-24CountryDances_1778_Thompson.abc 167 ABC music file with the extracted tune(s)
Tune-9127-24CountryDances_1778_Thompson.ps 6 PostScript
Tune-9127-24CountryDances_1778_Thompson.txt 167 Plain-text file with the extracted tune(s)
Tune-9127-get.log 4469 Log file, useful mostly for debugging
Tune-91273-24CountryDances_1804_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-91273-24CountryDances_1804_Thompson.pdf 2217 Portable Data Format
Tune-91273-24CountryDances_1804_Thompson.ps 6 PostScript
Tune-91273-24CountryDances_1804_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-91273-get.log 5435 Log file, useful mostly for debugging
Tune-91277-get.log 1464 Log file, useful mostly for debugging
These files should be available for 24 hours.