Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1794/24CountryDances_1780_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6339-24CountryDances_1780_Thompson.ps) >>/Users/jc/w/tmp/Tune-6339-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1794/24CountryDances_1780_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_63395.log 438567 Log file, useful mostly for debugging
Tune-6339-24CountryDances_1780_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-6339-24CountryDances_1780_Thompson.ps 6 PostScript
Tune-6339-24CountryDances_1780_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-6339-get.log 4465 Log file, useful mostly for debugging
Tune-63395-24CountryDances_1808_Goulding_PD.abc 169 ABC music file with the extracted tune(s)
Tune-63395-24CountryDances_1808_Goulding_PD.pdf 2217 Portable Data Format
Tune-63395-24CountryDances_1808_Goulding_PD.ps 6 PostScript
Tune-63395-24CountryDances_1808_Goulding_PD.txt 169 Plain-text file with the extracted tune(s)
Tune-63395-get.log 5520 Log file, useful mostly for debugging
Tune-63399-31531_.abc 33 ABC music file with the extracted tune(s)
Tune-63399-31531_.txt 33 Plain-text file with the extracted tune(s)
Tune-63399-get.log 3105 Log file, useful mostly for debugging
These files should be available for 24 hours.